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The 2020 Census: Potential Impacts on California
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The 2020 Census:
Potential Impacts on California
MAC TAYLOR
LEGISLATIVE ANALYST
DECEMBER 13, 2018
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Executive Summary
Federal Government Counts the Number of People in the United States Every Ten Years.
The U.S. Constitution requires the federal government to count the total number of people in
the United States every ten years. This is the decennial Census. The U.S. Census Bureau (“the
Bureau”), a division of the U.S. Department of Commerce, will conduct the next Census in 2020.
Census Population Counts Used to Determine Congressional Representation and
Certain Federal Funding Levels for States. The results of the Census are used to distribute
seats in the House of Representatives and inform the amount of federal funds allocated to
states for certain programs. Census results also are used to determine legislative districts for
federal, state, and local representatives within each state. Moreover, the Census provides a
social, demographic, and economic profile of the country’s residents, informing decisions by
policymakers and businesses across the state.
California Has Experienced an Undercount in Past Censuses, Particularly in 1990. An
undercount of California occurs when there are more people living in the state than are counted
by the Census. While the Census has become more accurate over time, some past Censuses
have resulted in significant undercounts of California’s population. For example, the 1990 Census
undercounted California’s population by 2.74 percent (about 835,000 people), which was
disproportionately worse than the national undercount—1.59 percent or about 4 million people.
As a result, California gained one fewer seat in Congress than it was entitled to receive and was
estimated to have lost over $200 million of federal funds in a single fiscal year. The 2000 and
2010 Censuses were much more accurate.
California Could Experience an Undercount in 2020 . . . There are a variety of reasons
to believe that California could experience an undercount in 2020. First, the state experienced
greater undercounts than the rest of the nation in all of the past three Censuses. Second, the
state has a higher share of people who historically have been more difficult to count relative to
the rest of the nation (referred to as the hard-to-count population). This hard-to-count population
includes immigrants, who may be even harder to count in 2020 than they were in the past.
. . . But an Undercount Would Likely Be Smaller Than the 1990 Scenario. That said, we
think that a statewide undercount equivalent to the 1990 undercount is not likely. There are a
variety of reasons for this, including: (1) improvements in the Census’ methodology, (2) advances
in access to statistical and administrative data, and (3) adequate funding levels for current
Census preparation activities. (While past funding issues did limit some of the Bureau’s planning
activities, Congress has granted the Bureau its full budget request for the most recent fiscal year.)
California Unlikely to Lose a Seat Due to an Undercount . . . Other researchers have
found that an undercount like the one that occurred in 1990 would not cause California to lose a
congressional seat. Because we think even that scenario is unlikely, the risk of California losing a
congressional seat is low.
. . . Or Much Federal Funding. Some reports have indicated that California has billions of
dollars at stake as a result of an undercount similar to 1990. Even in this worst-case scenario,
however, we find that an undercount could result in the California state government losing tens
of millions of dollars—not billions of dollars—in federal funding. In budgetary terms, this amount
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of money is very small. (Federal funds distributed directly to local governments also could be
affected, but the size of this effect is unknown.)
Complete and Accurate Count in 2020 Still Important. There are other reasons to ensure a
complete and accurate count in 2020. For instance, certain regions in the state run a greater risk
of being undercounted than others. As a result, an undercount of some regions relative to others
could result in some people within the state having less congressional (and state legislative)
representation relative to what they should receive.
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INTRODUCTION
The U.S. Constitution requires the federal discusses these potential effects of an undercount
government to count the number of people in in California.
the United States every ten years—the Census. In this report, we first provide information on
The Census is important, in part, because it is what the Census is. Second, we discuss how the
used to determine each state’s representation in Census is conducted—including the steps the
the House of Representatives and the amount federal government has taken to date and what
of federal funds allocated to states for certain it plans to do over the next few years to conduct
programs. Generally, a higher population count by the 2020 Census. (We also describe state efforts
the Census means that a state will be eligible to to supplement these federal activities.) We then
receive more seats in Congress and more funds. discuss the likelihood of an undercount in California
In contrast, “undercounting” the population of a in 2020. Finally, we discuss the implications of
state could result in fewer seats and less funds an undercount for California both in terms of
relative to what the state should receive. This report representation in Congress and federal funding.
WHAT IS THE U.S. CENSUS?
U.S. Constitution Requires a Count of 2020. For instance, in 2013 the Bureau conducted
Each Person Residing in the Country. Article I, a series of studies to examine the feasibility and
Section 2 of the U.S. Constitution requires the effects of using new data collection methods in the
federal government to count the total number of 2020 Census. In addition, the Bureau’s analysis and
people residing in the United States, including publication of the final Census population counts
citizens and noncitizens, once every ten years. will continue until 2021. (We discuss 2020 Census
This decennial count is known as the Census. preparation and expected future activities in detail
(In addition to residents physically located in the later in the report.)
United States, the Census also includes military
Why Is the Census Important?
and civilian federal personnel and their dependents
who live overseas.) The U.S. Census Bureau (the Congressional Representation. The U.S.
Bureau), which is part of the U.S. Department of Congress—comprised of the Senate and House
Commerce, conducts the Census. of Representatives—passes federal laws, raises
Next Census Will Occur in 2020. The United revenues for the federal government through taxes,
States conducted the first Census in 1790 and has and allocates those funds through the federal
done so every ten years since. The next decennial budget process. While each state—regardless of
Census—the nation’s 24th—will be conducted in the number of people who live there—has two
2020. In general, the Census collects information seats in the U.S. Senate, seats in the U.S. House
on how many people live in a household, as well as of Representatives are apportioned based on
their respective sexes, ages, races, and ethnicities. population. There are 435 seats in the House.
The Bureau also uses the decennial Census as Under the Constitution, each state is guaranteed
the basis for its annual population estimates of the one seat in the House and the remaining 385 seats
nation, as described in the box on the next page. are apportioned based on the Census population
Census-Related Activities Occur Over Many counts. Based on the 2010 Census, California has
Years. While the counting of people in the United the largest delegation of Representatives in the
States will occur in 2020, key planning, preparation, House with 53 seats—accounting for 12 percent of
and operational activities for the 2020 Census the seats. (The second largest delegation is from
began as early as 2013 and will continue past Texas with 36 seats.) As the definitive source of
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Federal and State Population Estimates Affected by the Census
The Decennial Census Informs Annual Population Estimates. The U.S. Census Bureau (the
Bureau) produces annual population estimates for the nation, states, and counties for the years in
between Censuses. In years the decennial Census is conducted, the Bureau’s population counts are
“re-benched” to equal the final Census count. For years in-between decennial censuses, the Bureau
adjusts the most recent Census counts using administrative records on the number of births, deaths,
and net migration (and some other information) to calculate annual population estimates.
The Bureau Uses the Decennial Census for Other Products. The annual population estimates
from the Bureau serve as the population counts for other data products. For example, the Bureau
also produces the American Community Survey (ACS) annually, which surveys demographic
and economic characteristics of populations at various geographic levels. These products are
commonly used by academics, governmental entities, research and policy institutions, and
businesses to conduct studies and implement programs. For example, our office uses the ACS to
analyze socio-economic and housing trends in California.
State Entities Use the Decennial Census for Annual Estimates. At the state level, the
Department of Finance (DOF) also uses Census population counts to re-bench its population
estimates every ten years (although DOF has its own population estimates for the intervening years).
DOF population estimates are a key input in a variety of state-level spending formulas and allocations.
As a result, the Census also affects many aspects of state and local financing in California.
population counts for purposes of determining the is entitled to three electors.) By determining the
number of House seats allotted to California, the size of each state’s congressional delegation, the
accuracy of the Census helps ensure that residents Census determines the level of representation each
of California have appropriate representation in the state has in electing the President.
federal legislative and budgetary process. (As we Federal Funding to the State. In some cases,
discuss later, Census data also informs how these the Census population count affects how much
seats are distributed within the state.) federal funds each state receives. That is, many
Electors in the Electoral College. The U.S. federal statutes allocate funding to the states
President is elected by the Electoral College. based on a formula that uses states’ populations—
The Electoral College consists of 538 electors. as determined by the Census—as one variable to
A presidential candidate must receive at least a determine their respective shares of the funding. In
majority (270) of electoral votes to be elected to most cases, the higher a state’s population count,
the Office of the President. Each state is entitled the more federal funding the state is eligible to
to a number of electors equal to state’s number of receive. Similarly, certain federal funds provided
House and Senate seats, meaning California has directly to local governments and nongovernmental
55 electors. (In addition, the District of Columbia entities are based on Census population counts.
HOW WILL THE FEDERAL GOVERNMENT
CONDUCT THE 2020 CENSUS?
This section describes how the federal we outline recent actions the federal government
government will conduct the 2020 Census. First, has taken to fund the Census. Finally, we describe
we discuss the overall goals of the Census. Then, the Bureau’s timeline for completing the Census,
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from pre-count activities that have already been unit, it would cost less than the 2010 Census, but
completed, to the count of people in 2020, to the still maintain high-quality results. (The 2010 Census
activities it completes post-count to finalize the cost the Bureau an estimated $120 per housing
Census. unit. The Bureau set out to have the 2020 Census
Goal of the Census Is to Get a Complete and cost $107 per unit, for a total estimated cost of
Accurate Count. The Bureau’s goal for the 2020 $15.6 billion.)
Census is to count everyone once, only once, and Typical Census-Related Spending Cycle. The
in the right place. In other words, the Bureau strives federal government typically provides the Bureau
to get a complete and accurate count. A “complete with funding during the early years of a Census cycle
count” occurs if the Census counts the right (that is, early in the decade) to complete certain
number of people in the state. An “accurate count” planning and preparation activities. As shown in
occurs if the Census captures the characteristics Figure 1 (see next page), funding grows slowly
of people correctly—including where they live and in these early years. It is not until the last three to
other demographic information. Ideally, the 2020 four years of a Census cycle—when the Bureau
Census will be both complete and accurate. (As we is beginning to open regional offices, hire Census
explain later, the Bureau evaluates accuracy and workers, and visit households—that federal funding
completeness with post-Census analyses using significantly ramps up. As Figure 1 also shows, to
surveys and other methods.) date, funding throughout the 2020 Census cycle
The Bureau Conducts Two Types of has, in nearly all years, been slightly higher in inflation
Population Counts. The Bureau will complete and population-adjusted terms than for the last three
two separate counts of people living in the United Census cycles.
States as part of the 2020 Census: the household Recent Actions on Federal Funding to
enumeration (a count of people living in houses, Support the 2020 Census. In the past couple
apartments, and other dwellings) and a group of years, the funding allocated to 2020 Census
quarters enumeration (a count of people living activities has been less than what the Bureau initially
in facilities, like dormitories, military bases, and requested. For example, in federal fiscal year (FFY)
prisons). This report focuses on the household 2016-17, the amount of federal funding provided
enumeration, which accounts for about 97 percent for Census-related activities ($1.47 billion) was
of the state’s total population. 10 percent less than what the Bureau requested
($1.63 billion). The 2017-18 federal spending bill
Funding for the 2020 Census
(passed in March 2018), however, nearly doubled
the Bureau’s FFY 2016-17 funding level to a total of
Census Has Made a Number of Changes to
Improve Cost-Efficiency. Over the last several $2.8 billion. (The majority of this funding is expected
decades, conducting the Census has become to support 2020 Census activities, rather than other
more expensive on a per-person basis. There activities, like conducting annual population and
are a variety of reasons for this cost increase: demographic surveys.) The Bureau has requested
(1) self-response rates have declined (which the $3.8 billion for FFY 2018-19, a 37 percent increase
Bureau believes could result from distrust of relative to FFY 2017-18 funding levels. Such an
government or concerns about sharing information); increase in spending follows past trends of the
(2) people move more frequently; and (3) more Bureau’s budget significantly increasing in the years
people live in complex living arrangements (such leading up to the Census. What level of funding
as multigenerational households or individuals the federal government ultimately will allocate to
with ties to multiple residences), which makes it the Bureau in FFY 2018-19 and FFY 2019-20 to
a challenge to associate a person with a single support future Census efforts is unknown. (When
location. In light of these trends and direction this report was published, the federal government
from Congress, the Bureau set out to create cost had yet to approve a final FFY 2018-19 funding level
efficiencies for the 2020 Census. The Bureau for the Bureau.)
sought to design the Census so that, per housing
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status in the questionnaire.
Figure 1
(The California Attorney General
U.S. Census Bureau Spending Is and others have challenged
Highest in Final Years of the Census Cycle
the inclusion of the citizenship
Per-Person Spending in Inflation-Adjusted Dollars question on the grounds that it
could result in lower response rates
$30
2010 Census
among immigrants, resulting in an
25 incomplete population count that
violates its constitutional purpose.)
2000 Census
20 The nearby box describes the
history of the inclusion of a
15 citizenship question in the Census.
1990 Census
Bureau Completed One and
10
Only “Dress Rehearsal” for
2020 Census
2018. Before the Census count,
5
the Bureau typically conducts
several full dress rehearsals to
1 2 3 4 5 6 7 8 9 Census Year
test its methods for reaching
Years in a Census Cycle
people who do not respond to the
Dotted line represents requested, but not yet approved, funding level for federal fiscal year 2018-19. questionnaire on their own. The
Bureau initially planned to do a
dress rehearsal in three areas of
Census Preparation Activities the country. As a result of budget
limitations discussed earlier, the Bureau reduced
This section discusses the activities the Bureau
the number to one (although the questionnaire
has conducted to prepare for 2020 Census.
used in the dress rehersal excluded the question
Bureau Has Compiled the National Address
on citizenship). In 2018, the Bureau conducted that
List. A couple of years before beginning to count
dress rehearsal in Providence, Rhode Island. The
people, the Bureau collects addresses for every
Bureau has called the test a success: self-response
known household in the country. This list is used
rates were higher than expected (52.3 percent
to mail census forms and follow up with people
compared to 49.3 percent expected) and Census
who do not respond to those forms. In past years,
workers were able to count 1.56 houses per hour
the Bureau relied heavily on field workers on the
(higher than the rate in the 2010 Census of 1.05
ground to update the national address list. To
houses per hour). These results, however, may not
reduce costs for the 2020 Census, the Bureau
be indicative of how quickly Census workers will
has relied primarily on state and local government
be able to count people in other cities and towns
data, satellite imagery, and other administrative
across the nation. Specifically, the dress rehearsal
records to update its address list. (Although in
was conducted in an urban area and enumerations
2019 the Bureau will conduct some on-the-ground
will likely be slower in less densely populated areas.
canvassing to finalize the address list.)
The Bureau also plans to test response rates with
Bureau Has Updated the Questionnaire.
the inclusion of the citizenship question in the
The Bureau has finished updating the questions
questionnaire in 2019.
contained in the Census questionnaire—the
questions every household will receive as part of Census Count of Households
the 2020 Census. As is required by law, the Bureau
Bureau Contacts Every Household in Nation
submitted to Congress its planned questions for the
by Mail. In 2019, the Census will begin developing
2020 Census on March 29, 2018. These questions
broad public awareness about the upcoming
include topics on age, race, and sex. The Bureau
Census, including through paid advertisements,
also plans to include a question about citizenship
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social media outreach, and events. In 2020, using In these follow-up visits, staff will go door-to-door
its compiled address list, the Bureau will contact with mobile devices and tablets that they can use
every household in the country by mail. Specifically, to collect the household’s data. In previous years,
the Bureau will mail: to 80 percent of households Census workers visited every nonresponding
an invitation to submit responses online and to household up to six times to complete their
20 percent of households a paper questionnaire surveys. In 2020, the number of follow-up visits a
to submit through the mail. (The decennial Census household will receive will vary. The default number
has never systematically used an online response of visits is still six, but it could be higher or lower
option before, but the Bureau has allowed depending on two main factors:
households to respond to the American Community
• Availability of Administrative Data. If
Survey online for several years.) The Bureau will ask
the Bureau has complete and reliable
households to respond by April 1, 2020: “Census
administrative data available for a household
Day.” Those who do not respond to the survey
that does not respond to the initial mailed
online after two mailed reminders will receive a
questionnaires and reminders, a Census
paper questionnaire.
worker will conduct one follow-up visit to that
After April 1, 2020, Census Workers Will
home. If the household does not respond after
Follow-Up With Nonrespondents in Person.
that visit, the Bureau will complete the count
From mid-May to mid-August 2020, a team of
for that household using its administrative
about 420,000 Census workers will conduct
data. Administrative records that the Bureau
in-person follow-up visits to households across the
will use include: tax returns from the Internal
country that did not respond to the questionnaire.
History of the Census Questionnaire and Citizenship Question
History of the Census Questionnaires. The Census has been conducted every decade
since 1790. For most of this history, there was only one relatively short Census questionnaire
that asked basic questions about overall household size and characteristics for each household
member (race, gender, and age). Beginning in 1970, the U.S. Census Bureau (the Bureau)
began using two questionnaires—a short-form and a long-form—so that it could ask a subset
of households more detailed information. Five in six households received the “short-form”
questionnaire, which continued to include basic questions on household size and characteristics.
One in six households received the “long-form” questionnaire. The long-form Census included
many more questions on various topics, such as the value of a person’s home or their monthly
rent, number of rooms in a household, or a person’s marital status, occupation, and income.
Recent Changes to the Structure of the Census Questionnaire. In 2010, all households
received the short-form Census only. Instead of distributing a long-form Census, the Bureau
instead collected detailed data on a small percentage of households throughout the decade in
the American Community Survey (ACS). Effectively, this means most questions asked on the
long-form question are now asked on the ACS instead. The 2020 Census will continue with this
approach.
History of the Inclusion of a Citizenship Question. Beginning in 1870 and running through
2000, a Census questionnaire included at least one question about citizenship. When the Census
began using two separate forms (the short- and long-form) in 1970, a citizenship question
was included on the long-form, but not the short-form, questionnaire. When the long-form
questionnaire was replaced with the ACS in 2010, a question about citizenship status was
included on the ACS instead. As such, a citizenship question was not included in the 2010
decennial Census.
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Revenue Service, Medicare and Medicaid estimate how many people live in a household that
enrollment information, Supplemental Nutrition never responded to the Census. Or, if a household
Assistance Program records, and property tax completes the survey, but does not indicate the age
and deed data. of one of the people living there, the Bureau can use
• Whether the Household Is in a imputation to estimate the persons age. The 2010
Hard-to-Count Area. The Bureau has Census counted about 1.2 million people using
designated certain areas as hard to imputation (less than 1 percent).
count based on how many of that area’s
Post-Count Activities
households mailed back their 2010 census
questionnaire. Households in areas known to Finalize the Count. After conducting the core
be hard-to-count may receive more than the count operations described above, the Bureau
six default attempts. will combine the results from the household
enumeration with the group quarters enumeration.
The Bureau may also increase follow-up
The Bureau will then tabulate all of the data
visits to certain households based on the test
and release the results. The Bureau has until
of the citizenship question. As they have in the
December 1, 2020 to deliver apportionment counts
past, after a Census worker follows up with a
to the President and until March 31, 2021 to
household three times, and no one has completed
deliver the counts for redistricting purposes to
the questionnaire, Census workers are allowed
California and other states. Figure 2 summarizes
to complete the count for that household by
the main events in the 2020 Census activities, from
interviewing a “proxy.” A proxy can be a neighbor,
preparation to post-count.
landlord, relative, caregiver, utility worker, or other
After Finalizing All Enumerations, Bureau Will
person who knows the household.
Conduct Surveys to Evaluate Accuracy. After
Bureau Will Use Statistical Methods to Impute
the count is finalized, the Bureau will conduct two
Data for Other Households. If Census workers
major analyses to measure the accuracy of the
are unable to complete the count for a household
household enumeration. One approach compares the
using all of the above methods, the Bureau can
Census counts to data from surveys that the Bureau
count the household using statistical imputation.
completes after the Census. A second approach
Imputation means the Bureau infers a household’s
compares the count to administrative records. Both
characteristics based on the characteristics
of these methods examine how complete the overall
of surrounding households. The Bureau uses
count was and whether the count was accurate
imputation to indicate whether or not a household is
for some demographic groups. These surveys
occupied; the number of people living there; and the
are conducted only for informational purposes;
characteristics of those people, like age and race.
the Bureau does not update its decennial Census
For example, the Bureau could use imputation to
population counts based on these surveys.
HOW ARE STATE GOVERNMENTS PREPARING FOR
THE 2020 CENSUS?
In preparation for the 2020 Census, a number of and promotional activities to supplement the
states, local governments, and nongovernmental Bureau efforts, (2) established Complete Count
entities have launched independent efforts to Committees, or (3) done both. (California has
ensure an accurate and complete count. For done both.) Complete Count Committees engage
this report, we focus on state-led and funded state and local community partners to distribute
efforts. Figure 3 shows the 18 states that educational materials, educate the public on the
have (1) allocated state funding for outreach importance of the Census, and conduct community
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Figure 2
Major Events for the 2020 Census
2017
Began working with local governments to compile the national address list.
2018
Preparation
Activities Updated the questionnaire.
Conducted dress rehearsal.
2019
Open Census field offices, conduct in-field address canvassing, and launch advertising campaign.
2020
Contact every household by mail.
Count
April 1, 2020: Census Day
Activities
Households to return or submit their Census questionnaires by this date.
Follow up with nonrespondents in person.
Deliver apportionment counts to the President by December 1.
Post-Count 2021
Activities Deliver counts for redistricting purposes to California and other states by March 31.
Figure 3
State-Level Efforts To Ensure Complete and Accurate 2020 Census Count
Established Complete Count Commissions
Appropriations
ME
Both
AK
No Action VT NH
WA MT ND MN WI MIa NY MA RI
ID WY SD IA IL IN OH PA NJ CT
OR NV CO KS MO KY WV VA MD DE
CA UT NM KS AK TN NCb VA MD
AZ OK LA MS AL GA
HI TX FL
a
Michigan's Complete Count Campaign is run by a group of nonprofits, foundations, and other local community partners.
b
North Carolina’s budget proposal has yet to be approved.
As of fall 2018.
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outreach. (Some states have discussed—but California Has Set Aside $100 Million for 2020
have not adopted—funding proposals to support Census Activities. Initially, as a part of the 2017-18
the 2020 Census. Additionally, some states have Budget Act, the state provided $7 million in incentive
expressed interest in establishing Complete grants for local governments to assist the Bureau
Count Committees but have yet to do so.) in updating its address list and $3 million for other
Figure 3 includes only state-level funding for the state preparation activities. In the 2018-19 Budget
Census and excludes funding provided by local Act, the state provided an additional $90.3 million to
governments or nonprofits. Below, we discuss past support the Complete Count Committee for outreach
and current support California has provided for the activities related to the 2020 Census through
decennial Census. 2020-21. On a per-person basis, the $100 million in
California Has Provided Some Outreach funding California has provided for Census outreach
in the Past. Beginning with the 2000 Census, is much higher than the funding level provided by
California provided some level of funding to its any other state so far, as Figure 4 shows.
Complete Count Committee.
Similar to other states, California’s Figure 4
Complete Count Committee is
California Has So Far Spent Much More on
appointed by the Governor and
2020 Census Outreach Than Any Other State
coordinates the state’s outreach
(Dollars in Thousands)
efforts (that supplement federal
Total 2020 Population Spending
outreach efforts). These outreach
Amount Projection Per Person
efforts focus on the hard-to-count
population. For the 2000 Census, California $100,300 40,556,804 $2.47
the state provided $28.8 million Georgia 2,251 10,723,849 0.21
Illinois 1,500 12,802,052 0.12
to support the Complete Count
Maryland 5,000 6,163,346 0.81
Committee (in today’s dollars).
Michigan 500 10,007,985 0.05
For the 2010 Census, the state
Minnesota 380 5,687,915 0.07
provided $2.3 million in today’s North Carolinaa 1,500 10,560,813 0.14
dollars. (The Complete Count Oregon 231 4,268,014 0.05
Committee also raised roughly Virginia 115 8,655,193 0.01
$10 million in private funding to Washington 464 7,675,985 0.06
augment its efforts for the 2010 a North Carolina’s budget proposal has yet to be approved.
As of fall 2018.
Census.)
POSSIBILITY OF UNDERCOUNT IN 2020 CENSUS
The possibility of an undercount occurring this section discusses the reasons an undercount
in California has been widely discussed by the might or might not occur in 2020. Later in the
Legislature, media, and broader public. (An report, we discuss in detail how an undercount
undercount occurs when there are more people could affect the number of congressional seats
living in an area than are counted by the Census.) the state is apportioned and the amount of money
An undercount could negatively affect the state’s California receives from the federal government.
share of certain federal funds and the number of California Can Experience an Absolute or
congressional seats the state is apportioned. (An Relative Undercount in 2020. There are two types
overcount, conversely, occurs when there are fewer of undercounts that California can experience that
people living in an area than are counted by the are relevant. Either of these outcomes could have
Census—which primarily occurs when the same implications for congressional seats and/or federal
people are counted more than once.) The rest of funds. In particular, California can experience an:
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• Absolute undercount if the Census count • Non-Hispanic Black residents were
of the state’s total population is lower than undercounted by 2.07 percent.
actual (meaning not everyone in the state is • American Indian people living on reservations
counted). were undercounted by 4.88 percent.
• Relative undercount if a larger share of • Renters were undercounted by 1.09 percent.
California’s population is not counted relative
• Very young children also were undercounted,
to other states. (This could occur, for example,
although to a lesser extent than these
if all states experience an undercount, but the
other groups. Children ages 0 to 4 were
undercount in California is larger than average.
undercounted by an estimated 0.72 percent.
Or, it could occur even if the national count is
(One reason very young children may
largely accurate, but California experiences an
be undercounted is confusion—people
undercount.)
completing the survey may not realize that
the form should be completed for infants
Past Census Undercounts and toddlers, as well as adults.) That
said, in 2010, children ages 10 to 17 were
California Experienced Relative Undercounts
overcounted by 0.97 percent and on net all
in 1990, 2000, and 2010. Figure 5 shows the
children (people aged 0-17) were overcounted
results of the post-Census surveys from 1990 to
by 0.33 percent.
2010 and their level of accuracy. In each of the last
three Censuses these surveys showed California
Other Groups Are Also Difficult to Count.
experienced both an absolute and relative There are other groups that are more difficult to
undercount. In 1990, the U.S. experienced an count but have not been tracked in undercount
undercount of 1.59 percent (considered large surveys specifically. These groups include: people
by Census standards). In that year, however, who do not speak English fluently, lower-income
the undercount of California was even larger at people, people who were born outside of the
2.74 percent. In 2000, the U.S. experienced an United States, and LGBTQ+ people. Additionally,
estimated 0.49 percent overcount, but California’s people living in complex living situations—such
population was still undercounted by an estimated as individuals with ties to multiple residences
1.52 percent. In 2010, the
national count was roughly
Figure 5
complete, but the count of
California’s population was too California Experienced Relative
low by 0.26 percent. Undercounts in Past Three Censuses
Hard-to-Count Groups Have
1.0%
Been Historically Undercounted
Net Overcount
at Higher Rates. Even when 0.5
the overall count has been
largely accurate, the Census has
-0.5
undercounted particular groups
of people. These populations -1.0
are often called “hard-to-count.”
-1.5
The Bureau’s post-Census Net Undercount
-2.0
analyses have measured the likely United States
undercount of some different -2.5 California
groups. In 2010—when there was
-3.0
no national undercount overall— 1990 2000 2010
the Bureau found:
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and multigenerational households—can be California’s population is considered hard to count.
particularly difficult to count. People experiencing Almost two-thirds (63 percent) of the state’s
homelessness are also considered hard to population is Hispanic or non-white, which is close
count, although they are generally counted in the to twice the national rate (39 percent). Additionally,
group quarter enumeration, not the household a greater share of households in California live
enumeration. The nearby box describes this in rental units compared to the rest of the nation
process in more detail. (45 percent and 36 percent, respectively). Should
there be an undercount of these hard-to-count
Potential Reasons for an
populations in 2020, the relative undercount in
Undercount in 2020 for California California could be larger due to the demographics
of the state. Moreover, because some areas of
Below, we discuss key reasons why California
the state have larger shares of hard-to-count
could experience a different (likely higher)
populations, an undercount of certain groups would
undercount rate than most other states in 2020.
impact some regions of the state differently.
A Higher Share of California’s Population Is
Administrative Data May Not Be Reliable for
Hard to Count. States with a large hard-to-count
Certain Hard-to-Count Populations. As previously
population face a greater risk of an undercount.
mentioned, one way the Bureau plans to reduce
Relative to other states, a larger share of
Group Quarters Enumeration
The Census counts people who live in group quarters differently than people who live in
households. Group quarters include jails, prisons, college dormitories, long-term care facilities
(like nursing homes), and military bases. People who are experiencing homelessness at the time
of the Census are counted in the group quarter enumeration either at a place they are receiving
services or in non-shelter outdoor locations.
About 1 Million People Counted in Group Quarter Enumeration in California in 2010. In
2010, about 8 million people were counted nationally in the group quarter enumeration—just
over 10 percent of them, or nearly 1 million people, lived in California. Of these people, about
half lived in institutions (in a correctional facility or nursing home, for example) and about half
lived in noninstitutional settings like college dormitories and military bases. This population
living in noninstitutional settings included people experiencing homelessness or those living in
group homes. According to a separate report by the U.S. Department of Housing and Urban
Development, about 133,000 people in California were experiencing homelessness on a single
night in 2010.
How the Group Quarter Enumeration Works. Rather than being counted individually, people
are counted in group quarters collectively. There are three major ways the U.S. Census Bureau
(the Bureau) will count people living in group quarters in 2020: (1) through in-field visits, (2) using
administrative records, and (3) with responses from administrators of facilities. For example, to
count some people experiencing homelessness, Census workers visit emergency shelters and
non-shelter outdoor locations and conduct interviews with people staying there.
State-Level Efforts for the Group Quarter Enumeration. In California, the Department of
Finance, not the Complete Count Committee, will work with the Bureau on the group quarter
enumeration. (However, the Complete Count Committee’s Housing Working Group is working
on strategies for integrating these groups into outreach efforts.) Moreover, while states may
coordinate information and assist the Bureau in identifying group quarter facilities, the actual
in-field enumeration is done by federal Census workers.
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nonresponse rates is by using administrative data. data, to the extent that they are households
One challenge, however, is that administrative with more complex living situations than
data is more accurate (and available) for certain surrounding households (such as larger in size or
populations than others. For example, property multigenerational) they may still be undercounted.
tax and deed records can help the Bureau The Census Bureau and Complete Count
improve its information for homeowners. These Committee May Face Staffing Issues. Both
records, however, would not capture renters. the federal and state governments will conduct
Additionally, the Bureau acknowledges that while major Census-related operations and outreach in
administrative records may accurately capture California in 2020. These efforts require hiring tens
some hard-to-count groups (such as low-income of thousands of federal Census workers to help
households receiving government assistance), it count people, as well as thousands of state and
may underrepresent others (including noncitizens nonprofit staff to conduct outreach and community
and recent immigrants who are less likely to be education. If the economy is still expanding, the low
eligible for government assistance programs). With unemployment rate may make it difficult for both
the Bureau’s more extensive use of administrative federal and state governments to hire enough staff.
data in the 2020 Census for nonresponses, the In fact, a report by the Government Accountability
Bureau may end up counting some groups very Office released in mid-2018 noted that the
accurately, but still undercounting others. To the Bureau is already seeing signs it will face staffing
extent that California has more of these populations challenges in a tighter labor market. The report
than other states, there could be a relative notes that “in early hiring for 2020, Bureau officials
undercount in the state. reported smaller than expected applicant pools,
Immigrant Households May Be Even Harder declined offers, and turnover.”
to Count in 2020. Immigrants are considered
Possible Undercount Scenarios for
a hard-to-count group, but in 2020, immigrant
households may be even harder to count than they 2020
were in the past. In particular, there is concern
In October 2018, the Public Policy Institute
that households with undocumented immigrants
of California (PPIC) published a report looking
may be less likely to respond to the Census as
at two undercount scenarios for the state in
a result of the added citizenship question and/or
2020. In the first scenario, based on population
due to concerns about confidentiality. These
projections of different demographic groups, the
changes could also affect response rates among
researchers estimate the effect of an undercount
immigrant households more broadly. Additionally,
in 2020 similar to the undercount in 1990. (That
as mentioned earlier, the Bureau has found that
is, PPIC assumes the groups undercounted in
immigrants are less likely to be represented in
1990 would be undercounted at similar rates in
administrative data. While the Bureau can use
2020.) In this scenario, as shown in Figure 6,
statistical imputation to infer characteristics of
California would experience an undercount of
immigrant households that do not respond to the
1.1 million people (2.8 percent). Under a second
Census and for which there is no administrative
scenario, the researchers estimate the size of a
Figure 6
Estimates on Different Undercount Scenarios
Baseline Undercount Similar to 1990 Immigration-Related Undercount
Projected 2020 Number Percent Number Percent
Population Population Undercount Undercount Population Undercount Undercount
California 40,556,804 39,421,783 1,135,021 2.80% 40,040,275 516,529 1.27%
United States 331,928,837 324,911,205 7,017,632 2.11 329,672,486 2,256,351 0.68
Note: Estimates from Public Policy Institute of California.
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potential undercount if households with at least Court has ruled that the Bureau can use imputation
one undocumented immigrant are undercounted by to complete the count.) The use of administrative
10 percent across the nation. Under this scenario, records and, potentially, imputation, would allow
California would experience an undercount of about the Bureau to be aware of, and correct, any
500,000 people (1.3 percent). PPIC does not draw serious miscounts. As such, it seems unlikely an
any conclusions about the relative likelihood of undercount of over 1 million Californians would
either of these scenarios occurring in 2020. occur. That said, a scenario in which a subset of
Size of 1990 Undercount Unlikely to Occur California’s immigrants and other hard-to-count
in 2020. While we think a relative undercount of populations are undercounted is plausible.
California in 2020 is plausible,
it seems unlikely that it would
Figure 7
be as large as the undercount
Estimated Undercount in
in 1990. First, researchers
U.S. Census Has Declined Over Time
have estimated that, nationally,
the Census has become more
1.0%
accurate over time, as shown Net Overcount
in Figure 7. Second, while the
Census experienced funding
-1.0
issues that limited some of its
-2.0
planning activities, the Census
has now received its requested -3.0
Net Undercount
funding for 2018 and has resumed
-4.0
normal operations. Finally,
technology, survey methods, and -5.0
statistical imputation techniques
-6.0
have progressed substantially 1940 1950 1960 1970 1980 1990 2000 2010
since 1990, resulting in far more
accuracy in annual population
estimates. (The U.S. Supreme
IMPLICATIONS OF THE COUNT
FOR CONGRESSIONAL REPRESENTATION
In this section, we discuss the potential requires the use of population counts from each
implications of an undercount for California’s decennial Census to distribute (apportion) House
representation in Congress. First, we discuss seats among the states. Historically, five different
the implications of an undercount for the total methodologies have been used to determine how
number of congressional representatives from to use the Census data to apportion congressional
California. Second, we discuss the implications of seats. Since 1940, a mathematical formula has
an undercount for the distribution of congressional been used to determine the priority of awarding an
representation within the state. additional seat to each state. This methodology is
referred to as the “Method of Equal Proportions.”
Number of Congressional
Essentially, the formula determines which state has
Representatives From California the highest priority to receive an additional seat in
the House until all seats have been assigned.
Number of Congressional Seats Per State
Determined by Formula. The U.S. Constitution
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A State’s Population Growth Relative to received at least one more seat if the state’s count
Others Determines Its Priority to Receive a was as accurate as the national count.
Seat. With a state’s population—determined California Likely to Maintain 53 Seats if
by the Census—being the only input into the Population Count Is Accurate in 2020. Whether
formula, states effectively compete against one California loses, maintains, or gains a congressional
another for seats based on their population. A seat depends on two factors: (1) the relative growth
state’s population growth relative to other states of California compared to other states and (2) how
determines whether a state gains or loses a seat. accurately that growth is reflected in the Census.
Consequently, a state’s population growth in Estimates suggest that California’s population
isolation—without considering the growth in other has increased since the 2010 Census—although
states—cannot predict whether a state will lose, at a lower rate than other states since 2010. In
maintain, or gain a seat. the PPIC’s analysis referred to previously, PPIC
States Can Receive Fewer Seats Than They concludes that California will likely maintain its
Should. Because apportionment is based on current number of seats (53), assuming that current
relative population growth determined by the population trends continue and the 2020 Census
Census, an undercount in one state relative to count is accurate. The states most likely to gain at
other states can result in that state losing or not least one seat include Oregon, Arizona, Colorado,
gaining seats that actually should be allocated to Texas (likely to gain three seats), North Carolina,
it. For example, if the Census undercounts one and Florida (likely to gain two seats).
state by more than others, it could fail to gain Scenario in Which California Loses a
a seat that it should have gained. A state also Congressional Seat Seems Relatively Unlikely.
could inappropriately gain—or fail to lose—a seat Based on the PPIC’s analysis, California would
if the count is accurate there but undercounted have to experience a very significant undercount in
elsewhere. Overall, an accurate population count order to lose a seat. PPIC estimates that California
for all states is the best way for a state to avoid would lose one seat if it both experienced a similar
potentially losing or not gaining seats that actually undercount to the 1990 Census and households
should be allocated to it. with at least one undocumented immigrant were
California Has Never Lost a Seat. For most of undercounted by 10 percent (the scenarios
its history, California’s population has grown faster from Figure 6). In each of these scenarios alone,
than other states, which has been reflected in California would maintain its current number of
Census population counts. This relative population seats. This means that even a significantly large
growth resulted in California’s representation in undercount, like the one that occurred in 1990,
the House growing from 2 seats (out of 234 total would be insufficient for California to lose a seat.
seats) in the 1850s to 53 seats following the 2000 While certain immigrant households may be
Census. California has never lost a seat. In the undercounted at a higher rate in 2020 relative to
case of the past apportionment (following 2010), past Censuses, whether the undercount rate will be
California’s population had grown, but the state’s higher or lower than PPIC’s estimate is unknown.
population growth was not sufficient relative to the However, as discussed earlier, we think an
growth in other states for California to gain a seat. undercount in 2020 similar to the 1990 Census is
Past Census Undercount Likely Resulted in unlikely. Because both scenarios would be required,
California Not Gaining a Seat. The 1990 Census we think California losing a seat as a result of an
was the least accurate of the past three Censuses— undercount is quite unlikely.
it resulted in a net average undercount of
Representation Across Regions
1.59 percent across all the states. The undercount
Within State
in California—at 2.74 percent—was worse than the
national undercount. Although California gained
Division of Congressional Seats Within
seats following the 1990 Census (increasing from
State Important for Representation. In
45 seats to 52 seats), California likely would have
California, the boundary lines for the U.S. House
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of Representatives districts, along with the state Commission Not Explicitly Barred From
Legislature (Assembly and Senate) and Board Using Other Population Data for Redistricting.
of Equalization districts, must be adjusted every During the last redistricting process in 2010,
ten years following the decennial Census. This the Commission relied exclusively on Census
process is known as “redistricting.” Because population counts to determine population levels in
people move between Census years, the primary each district, which are intended to be reasonably
purpose of redistricting is to reestablish districts equal in population. However, the Commission
to be “reasonably equal” in population. California’s also solicited significant input from the public
districts traditionally have been established by to gather information to ensure that the district
using population counts from the Census. While boundaries adhered to other state constitutional
it is important that California be apportioned requirements (such as ensuring communities of
an appropriate number of seats in the House, interest were kept together). Although the U.S.
distributing congressional seats within the state Constitution is clear that a state’s total number of
in such a way that Californians have equal House seats can only be based on the Census,
representation relative to other Californians also is there is no explicit requirement for states to use the
important. Census population counts for redistricting. That is,
Citizens Redistricting Commission if there were evidence some regions of the state
Establishes Boundaries of Congressional were undercounted, the Commission would not
and State Districts. In 2008, the voters passed be prohibited from using other population data to
Proposition 11, establishing the Citizens inform the redistricting process.
Redistricting Commission (the Commission). A Commission Would Need to Use Very High
subsequent measure, Proposition 20 in 2010, Quality Data to Replace Census Data. That
expanded the duties of the Commission. The being said, we are not sure what alternative data
Commission is an independent, bipartisan would be reliable and comprehensive enough to
commission that determines the boundaries for supplant or supplement the population counts
the state’s districts. The Commission has only from the Census. (There are no publicly accessible
drawn district boundaries once—following the population estimates that are as geographically
2010 Census. The Commission members who detailed and more reliable than the decennial
will determine district boundaries following the Census.) One possible alternative source is the
2020 Census will be new members (the 2020 data from the Bureau’s detailed post-count surveys,
Commission will be selected by August 15, 2020). some of which are public and some are not. We do
Regional Under/Over Counts Can Skew not know what internal survey data the Bureau will
Congressional Representation Within the collect after 2020 beyond those that are planned
State. Whether or not California experiences a net to be released publically. Ultimately, it will be up
undercount, the accuracy of the Census will vary to the Bureau to determine what level of detail to
across regions within the state. Specifically, regions release. Once the 2020 Commission is selected (by
with a larger share of hard-to-count populations August 15, 2020), if there were evidence that some
likely will experience a higher undercount relative regions within the state were undercounted relative
to regions with a smaller share of hard-to-count to others, the Commission would need to decide
populations. (Meanwhile, some regions could how it would address the undercount and what
experience overcounts.) In its report, PPIC alternative data source, if any, to use to inform the
estimates that large undercounts are most likely to redistricting process.
occur in portions of Los Angeles, the San Joaquin
Valley, and the Bay Area. If these regions are
significantly undercounted, they could have less
congressional (and state legislative) representation
relative to what they should receive.
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IMPLICATIONS OF THE COUNT FOR
FEDERAL FUNDING TO CALIFORNIA
As Figure 8 shows, federal funds reach by population estimates. Some money reaches
Californians through a variety of pathways. In Californians by passing through state and local
2017, our office estimated that the total amount governments or other entities—a portion of which
of federal spending in California several years ago could be affected by population estimates. This
was very roughly $375 billion. Most of this federal section of the report focuses only on federal funds
spending (nearly 80 percent) is distributed directly that are distributed first to state government
to individuals and would therefore be unaffected (and excludes funding distributed directly to local
Figure 8
How Federal Expenditures Reach Californians
Federal Government
Payments to the Payments to
Direct Payments to
State Government Local Governments
Individuals, Private Entities,
and Universities
State Governmenta
Local
Governmentsa,b
Public (Cities, Counties,
Universities and Special Districts)
Private Entities
Other Entities
(For example, businesses,
healthcare intermediaries, (For example, school districts,
universities) Local Housing Authorities)
Individuals
a The state and local governments retain some federal money for program administration and operation.
b Local governments remit some federal funds to private entities.
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governments). In particular, we discuss why an $93 billion in federal funds for all state programs.
undercount in California is not likely to have a large Most of this total, about $50 billion, is allocated
impact on federal funding. to the state without reference to population
How Federal Formulas Typically Use State estimates, and would therefore be unaffected by an
Population to Determine Funding Levels. Some undercount in 2020. These funds are sometimes
programs are distributed to the state based on a allocated to states on a fixed level defined in federal
formula that considers population, among other rules or based on performance or cost-sharing.
factors. (Other program funding is distributed For example, the federal government provides
based on a competitive grant process or through California with a fixed annual amount of $3.7 billion
performance metrics. For these programs, changes for the federal Temporary Assistance for Needy
in estimated population would not have a direct Families program regardless of how population
effect on federal grants to the state.) Most of these changes. Or, when California faces a natural
formulas are set in federal statute. Consequently, disaster, the federal government provides hundreds
this means that congressional action would be of millions or billions of dollars for emergency
needed for the federal government to change these assistance and remediation efforts based on the
funding formulas or allow the use of alternative costs to respond to the disaster, not the state’s
population estimates. population. The remaining $43 billion in federal
funds—for an estimated 51 federal programs—are
Some Programs Rely on Counts of Specific
based on formulas that take population estimates
Populations. While some federal funding formulas
into account, among many other factors. Although
use total state population, others rely on regional
these programs have federal funding formulas that
or population counts of certain groups to inform
factor in population, nearly all of this funding would
funding levels. These funding formulas are typically
not be affected by an undercount in the 2020
used for programs that target certain types of
Census, as we explain below.
areas, such as urban and rural areas, or certain
populations, such as low-income families or Several Reasons Remaining Federal Funding
children. For example, the Child Abuse Prevention Would Be Almost Entirely Unaffected by
and Treatment Act funding is primarily allocated an Undercount. An undercount of the state’s
to each state or territory based on its share of the population would leave the $43 billion in federal
child population (under age 18) relative to other funding almost entirely unaffected. The reasons for
states and territories. For some programs, these this are:
targeted areas or populations are considered hard
• An Undercount Would Have No Effect
to count.
on Federal Medicaid Funds Provided to
Implications of Undercount for California. The state’s Medicaid program,
Medi-Cal, represents roughly $35 billion—
Overall Federal Funding
nearly 80 percent—of the total 2016-17
After the undercount in 1990, California lost federal funding potentially affected by an
over $200 million in federal funds in a single fiscal undercount. (This is the estimated amount of
year. (For comparison, the state budget received federal funding for Medi-Cal that is informed
roughly $25 billion in federal funds in state fiscal by the state’s population count—the state
year 1990-91, so this loss would represent slightly receives additional funding for Medi-Cal that
less than 1 percent of the total.) However, this is not informed by the state’s population.)
loss of funds would be unlikely to occur again in As described in the nearby box, because
2020 even if an undercount were as large. Below, California already receives the minimum
we explain why. amount under the current statutory formulas,
Vast Majority of Federal Funding to the State it would be impossible for an undercount of
Would Be Unaffected by an Undercount in California’s population to result in less federal
2020. In 2016-17, the state budget received about Medi-Cal funding.
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• Population Is One Factor Among Many expenditure levels, and California’s funding
in Federal Allocation Formula. For many level is already at that minimum level. For
programs, population is one factor among example, after Medi-Cal and Title I education
many in a complicated formula used to grants, the next largest federal funding program
determine the amount of federal funding based on population is the special education
provided to states. In these cases, changes in funding through the Individuals With Disabilities
state population estimates have little effect on Education Act (IDEA). States’ IDEA grants
the overall funding amount. For example, the are based, in part, on their respective shares
second largest federal funding amount based of children ages 3-21. IDEA also includes
in part on population is Title I education grants minimum thresholds, including a hold harmless
(the state received $1.8 billion in these grants provision that prevents a state’s allocation
in FFY 2016-17). These grants are distributed from declining year over year. In FFY 2017-18,
in part based on the number of low-income California received $1.3 billion in IDEA grants,
children that live in various parts of the already at a minimum allocation floor. As a
state. As described in the box on page 20, result of this provision and the hold harmless
a significant undercount of children could provision, even a significant undercount of
indirectly affect this funding level, but the California’s children would be unlikely to result
magnitude of the effect would likely be very in less IDEA funding for the state.
low (perhaps a few millions of dollars). • Program Is Relatively Small. In other
• Federal Allocation Formula Has Minimum cases, population may be an important
Levels. In other cases, programs have determinant of formula-driven spending, but
“allocation floors,” usually based on past the programmatic spending total is small. For
An Undercount Would Not Affect Federal Medi-Cal Funding
Medi-Cal Funding Based on the FMAP Formula. Medicaid—or Medi-Cal, as it is known
in California—is a federal match program, meaning that program costs are shared between the
state and the federal government. The federal share of costs for Medicaid is commonly referred
to as the federal medical assistance percentage (FMAP) and varies by state. The FMAP cannot
be less than 50 percent or more than 83 percent. The FMAP is calculated from a formula that
takes into account the average personal income divided by the Bureau’s estimate of its total
population of each state relative to the national average. States with per capita incomes above
the national level receive a lower FMAP rate, while states with per capita incomes below the
national level receive a higher FMAP rate. In addition to Medi-Cal, the FMAP informs the federal
share of cost for other social services programs, including foster care and adoption assistance
payments.
California’s FMAP Expected to Remain at Federally Required Minimum Level. Using
current data projections and the statutory formula, California’s raw federal fiscal year (FFY)
2019-20 FMAP would be 40.49 percent. Given that the FMAP cannot fall below 50 percent,
California’s FMAP in FFY 2019-20 would remain at the minimum level. As a result, it would be
impossible for an undercount to result in less federal Medi-Cal funding. For the state to receive
an increase in its FMAP, it must experience a decline in its average per capita income, meaning
either its population increases or total personal income decreases relative to the nation. For
California’s FMAP to increase the Census would need to show that the state’s current population
(39.8 million residents in 2018) increased by several millions of people in 2020, but personal
income remained constant. Based on historic population growth trends (which have averaged in
the hundreds of thousands per year) this scenario is nearly impossible.
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example, 75 percent of state and community Figure 9 shows the likely effects of an
highway safety grants are distributed based undercount on federal funding for the largest
on population. California received $23 million ten programs we identified. Together, these ten
for these grants in 2016-17, meaning a programs account for nearly 95 percent of the
relative undercount of the state of 2 percent estimated total federal funds ($43 billion) that are
could result in a few hundred thousand distributed to the state using population estimates.
dollars less in funding—a very small amount in As the figure shows, most funding in these
budgetary terms. programs would be unaffected—or only very slightly
• Federal Allocation Formula Uses Annual affected—by a significant undercount.
Population Estimates. Most programs that The State Could Lose Tens of Millions of
receive federal funding based on population Dollars in Federal Funds From a Significant
either use annual population estimates or Undercount. Other reports cite the entire
annual demographic surveys, rather than the amount of federal funding distributed to the
decennial Census, as population inputs in state from programs that allocate funds based
their funding formulas. For annual population on population-related formulas as the amount
estimates, the Bureau adjusts the most “at stake” as a result of a Census undercount.
recent decennial Census counts based on the Only a very small portion of federal funding,
number of births, deaths, and net migration, however, would be affected by an undercount. In
as well as some other information. Through fact, we find that a significant undercount in the
these adjustments, the Bureau has some 2020 Census (such as the one that occurred in
flexibility to adjust its annual population 1990) could reduce federal funding to the state
estimates to reflect new information about government by tens of millions, not billions, of
underlying population counts. So, an dollars. This represents about 0.04 percent of total
undercount could affect federal spending federal funding to the state government. Given that
right after the decennial Census, but these we view a 1990 undercount as unlikely to occur
effects would not likely persist throughout the again in 2020, this is likely a worst case scenario.
decade.
Title I Education Grants
How the Title I Grants Work. Title I of the Elementary and Secondary Act of 1965 provides
four main grants to local education agencies (LEAs). In federal fiscal year 2016-17, California
received $1.8 billion in these four Title I grants—representing nearly 12 percent of the total funds
distributed. The formulas that determine the amount of a state’s allocation are complicated, but
one important contributing factor is each LEA’s count of children ages 5-17 who live in families
with incomes at or below the poverty level. These grants also include hold harmless provisions
that prevent a LEA from losing more than 15 percent of its preceding year’s Title I funds as a
result of a drop in these populations.
How an Undercount Could Affect Title I Grant Funding to California. The number of
children living below the poverty level is estimated by the U.S. Census Bureau (the Bureau) in
an annual survey. The Bureau will eventually use the decennial Census to inform these annual
surveys—for example, to know how many people to survey from different areas of the country.
As a result, an undercount of children in the decennial Census could indirectly—but probably
minimally—affect the estimate of children living under the poverty level in each LEA. A large
undercount of children in California relative to the United States could affect the Title I calculation,
but from a state perspective, the effects would be very small in dollar terms.
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Figure 9
Effect of an Undercount on Largest Ten Programs Distributed Using Population Estimates
Funding at Risk
Program in an Undercount Reason(s)
Medi-Cal None State is funded at the minimum base FMAP.
Children’s Health Insurance Program (CHIP) None State is funded at the lowest possible FMAP for CHIP.
Title I Education Grants Low millions of dollars Population is one factor among many others.
Special Education Grants to States Likely none Formula has minimum levels and California’s funding level is
at one of those minimums.
Child Care and Development Block Grant Low millions of dollars Population is one factor among many others.
Vocational Rehabilitation State Grants Low millions of dollars Population is one factor among many others.
Substance Abuse Block Grant Low millions of dollars Population is one factor among many others.
Improving Teacher Quality State Grants (Title II) Low millions of dollars Population is one factor among many others.
Social Services Block Grant Low millions of dollars Total federal funding for the program is relatively low.
Low Income Home Energy Assistance Program Less than $1 million Population is one factor among many others.
FMAP = federal medical assistance percentage.
CONCLUSION
California Unlikely to Lose a Seat or Much • A Misallocation of Representation Within
Federal Funding Due to an Undercount. the State. If some regions within the state are
California could experience an undercount in the undercounted relative to others, they could
2020 Census. For various reasons, an undercount end up with less congressional (and state
as large as 1990, however, is unlikely. Past legislative) representation relative to what they
researchers have found that an undercount of should receive.
this magnitude is insufficient, alone, for California • A Misallocation of Funding Within the
to lose a congressional seat. As a result, the risk State. Many local governments directly
of California losing a congressional seat is low. receive federal and state funds that are
Moreover, in a worst case scenario, an undercount based on population counts, which we do not
could result in the state losing tens of millions of estimate here. As a result, the potential loss
dollars—not billions of dollars—in federal funding. of funds due to an undercount may have a
In budgetary terms, this amount of money is very greater impact on certain localities and their
small. budgets relative to our state-level analysis.
Complete and Accurate Count in 2020 Although, given that this issue has not been
Still Very Important. There are other reasons investigated in depth, the potential effect on
to minimize the possibility of an undercount and local governments is unknown.
ensure an accurate count in 2020. As discussed
earlier, certain regions in the state run a greater risk
of being undercounted than others. As a result, an
undercount of these regions could mean:
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LAO PUBLICATIONS
This report was prepared by Jackie Barocio, Ann Hollingshead, and Nick Schroeder, and reviewed by Ginni Bella
Navarre and Carolyn Chu. The Legislative Analyst’s Office (LAO) is a nonpartisan office that provides fiscal and policy
information and advice to the Legislature.
To request publications call (916) 445-4656. This report and others, as well as an e-mail subscription service, are
available on the LAO’s website at www.lao.ca.gov. The LAO is located at 925 L Street, Suite 1000, Sacramento,
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