Capital, Illinois Population 2024

110,526

Capital is a city located in Christian County, Morgan County, and Sangamon County Illinois. Capital has a 2024 population of 110,526. Capital is currently declining at a rate of -0.42% annually and its population has decreased by -1.69% since the most recent census, which recorded a population of 112,426 in 2020.

The average household income in Capital is $86,173 with a poverty rate of 16.87%. The median age in Capital is 39.9 years: 37.6 years for males, and 41.6 years for females.

Capital Demographics

According to the most recent ACS, the racial composition of Capital was:

  • White: 70.77%
  • Black or African American: 20.33%
  • Two or more races: 5.05%
  • Asian: 3.11%
  • Other race: 0.6%
  • Native American: 0.13%
  • Native Hawaiian or Pacific Islander: 0%
Land Area (mi²)
59.5 sq mi
Density (mi²)
1,858.90/sq mi
Growth Since 2020
-1.69% (-1,900)
The current population of Capital, Illinois is 110,526 based on our projections of the latest US Census estimates (released May 2024). The last official US Census in 2020 recorded the population at 112,426.

Population by Race

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Race
Population
Percentage (of total)
White79,67670.77%
Black or African American22,89220.33%
Two or more races5,6905.05%
Asian3,5063.11%
Other race6800.6%
Native American1460.13%
Native Hawaiian or Pacific Islander00%

White

Black or African American

Two or more races

Asian

Other race

Native American

Native Hawaiian or Pacific Islander

Capital Population by Race

Capital Population Pyramid 2024

Capital Median Age

39.9

Total

37.6

Male

41.6

Female

Capital Adults

There are 88,188 adults, (20,790 of whom are seniors) in Capital.

Capital Age Dependency

67.1

Age Dependency Ratio

30.8

Old Age Dependency Ratio

36.2

Child Dependency Ratio

Capital Sex Ratio

Female58,26751.75%
Male54,32348.25%

Capital Population by Age

Capital Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All49,8662.196238
Non Family23,0581.1751.748.3
Married17,3852.9685.314.7
Female7,2163.3939.260.8
Male2,2072.8161.438.6

2.95

Average Family Size

2.19

Average Household Size

62.0%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Capital Households and Families

Male

Female

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Education Attained
Count
Percentage
9th to 12th Grade4,5975.86%
Associates Degree6,6308.45%
Bachelors Degree15,74920.08%
Graduate Degree11,46214.62%
High School Graduate21,42927.32%
Less Than 9th Grade1,7462.23%
Some College16,81121.44%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Capital Educational Attainment by Sex (over 25)

Capital Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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Race
Total
High School
Bachelors
White59,46856,06121,981
Black13,14110,5992,209
2+ Races2,3742,159871
Asian2,1672,1001,604
Hispanic2,0181,760843
Other Race434406201
Native American68440

The highest rate of high school graduation is among asian people with a rate of 96.91%.

The highest rate of bachelors degrees is among asian people with a rate of 74.02%.

Capital Educational Attainment by Race

All

Male

Female

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Name
Average
Male
Female
Bachelors Degree$60,165$69,356$50,864
Graduate Degree$76,008$88,262$71,436
High School Graduate$34,254$39,866$28,949
Less Than 9th Grade$25,485$32,025$20,611
Overall$46,689$52,055$41,479
Some College$40,574$45,218$36,450

$46,689

Average Earnings

$52,055

Average Male

$41,479

Average Female

Capital Earnings by Educational Attainment

Capital Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Capital Language

94.1% of Capital residents speak only English, while 5.9% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.09% of the population.

Capital Language

Capital Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
Black22,1039,11141.22%
White76,3927,4049.69%
Multiple5,5491,37524.78%
Hispanic3,29948714.76%
Asian3,3802397.07%
Other58118030.98%
Native1022726.47%

16.87%

Overall Poverty Rate

14.99%

Male Poverty Rate

18.6%

Female Poverty Rate

Poverty in Capital

The race most likely to be in poverty in Capital is Black, with 41.22% below the poverty level.

The race least likely to be in poverty in Capital is Asian, with 7.07% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.09%. Among those working part-time, it was 19.79%, and for those that did not work, the poverty rate was 25.65%.

Capital Poverty

rate

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Rate
Poverty
Less Than 9th Grade35.24%
High School19.15%
Some College12.1%
Bachelors or Greater4.47%

Capital Poverty Rate by Education

rate

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Rate
Poverty
Female Unemployed50.66%
Male Unemployed39.4%
Female Employed9.74%
Male Employed4.78%

Capital Poverty Rate by Employment Status and Sex

Capital Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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Name
Median
Mean
Families$86,133$110,422
Households$62,286$86,173
Married Families$112,939$141,905
Non Families$42,939$55,200

mean

median

Income by Household Type

Capital Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

39.9%

Overall Marriage Rate

43.1%

Male Marriage Rate

37.1%

Female Marriage Rate

Capital Married by Age and Sex

male

female

Capital Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 35-44.

Capital Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Capital Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

6,390

Number of Veterans

5,760

Male Veterans

630

Female Veterans

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War
Veterans
Vietnam2,403
Second Gulf War1,291
First Gulf War1,161
Korea344
World War II116

Capital Veterans by War

count

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Age Group
Veterans
65 to 741,795
35 to 541,441
75+1,432
55 to 641,231
18 to 34491

Capital Veterans by Age

count

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Name
Veterans
% of Total
White5,5488.43%
Black6033.85%
2+ Races1343.98%
Hispanic682.8%
Asian652.49%
Other Race377.23%
Native American32.19%

Capital Veterans by Race

Capital Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

7.71%

Veteran Poverty Rate

21.77%

Veteran Disability Rate

Capital Veterans by Education

LaborForceParticipation

60.6%

Labor Force Participation

56.5%

Employment Rate

6.7%

Unemployment Rate

Capital Employment by Age

LaborForceParticipation

Capital Employment by Race

LaborForceParticipation

Capital Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

78.66%

Born in Capital

95.78%

Native Born

4.22%

Foreign Born

1.91%

Non Citizen

2.3%

Naturalized

Place of Birth

95.78% of Capital residents were born in the United States, with 78.66% having been born in Illinois. 1.91% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Capital Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
2029108,216-462-0.43%
2028108,678-462-0.42%
2027109,140-462-0.42%
2026109,602-462-0.42%
2025110,064-462-0.42%
2024110,526-462-0.42%
2023110,988-462-0.41%
2022111,450-462-0.41%
2021111,912-514-0.46%
2020112,426-1,748-1.53%
2019114,174-584-0.51%
2018114,758-890-0.77%
2017115,648-743-0.64%
2016116,391-696-0.59%
2015117,087-265-0.23%
2014117,352-133-0.11%
2013117,485-283-0.24%
2012117,7681490.13%
2011117,6196530.56%
2010116,96600%

Capital Population by Year