Capital Flag

Capital

County:
Sangamon County
County Seat:
No
Area (mi²):
59.459
State:
Illinois

Capital is located in Sangamon County, Illinois. Capital has a 2025 population of 111,089 . Capital is currently declining at a rate of -0.05% annually and its population has decreased by -1.29% since the most recent census, which recorded a population of 112,543 in 2020.

The average household income in Capital is $89,108 with a poverty rate of 16.57%. The median age in Capital is 40.7 years: 38.9 years for males, and 42.2 years for females. For every 100 females there are 93.0 males.

111.1K
Total Population
1,868
Density (mi²)
-51 -0.05%
Growth

Capital Population

Capital Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Capital includes 70.41% White, 19.79% Black or African American, and smaller percentages for Asian, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White (70.41%)

Black or African American (19.79%)

Two or more races (5.62%)

Asian (2.92%)

Other race (1.15%)

Native American (0.1%)

Native Hawaiian or Pacific Islander (0.01%)

Race
Population
Percentage (of total)
White78,80570.41%
Black or African American22,14919.79%
Two or more races6,2955.62%
Asian3,2662.92%
Other race1,2861.15%
Native American1150.1%
Native Hawaiian or Pacific Islander110.01%

Capital Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Capital's average per capita income is $49,908. Household income levels show a median of $65,425. The poverty rate stands at 16.57%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$117,251-
Families$92,580$115,092
Households$65,425$89,108
Non Families$43,513$58,001

$49,908

Average Income

$65,425

Median Household Income

16.57%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)