Capital township Flag

Capital township

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

Capital township is located in Sangamon County, Illinois. Capital township has a 2026 population of 111,038. Capital township is currently declining at a rate of -0.05% annually and its population has decreased by -1.34% since the most recent census, which recorded a population of 112,543 in 2020.

The median household income in Capital township is $65,902 with a poverty rate of 16.91%. The median age in Capital township is 41 years: 39.1 years for males, and 42.9 years for females. For every 100 females there are 93.3 males.

111K
Total Population
1,867
Density (mi²)
-51 -0.05%
Growth

Capital township Population

Capital township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026111,038-51-0.05%
2025111,089-51-0.05%
2024111,140-51-0.05%
2023111,191-292-0.26%
2022111,483-516-0.46%
2021111,999-544-0.48%
2020112,543-127-0.11%
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%
2011117,6191,8631.61%
2010116,9661440.12%

Median Age

Overall: 41 years
Female: 42.9 years
Male: 39.1 years

Capital township Adults

There are 88,484 adults, (22,184 of whom are seniors) in Capital township.

Sex Ratio

Female: 57,757 (51.7%)
Male: 53,893 (48.3%)

Demographics

The racial composition of Capital township includes 69.85% White, 19.49% Black or African American, 3.13% Asian, and smaller percentages for other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White77,98869.85%
Black or African American21,76319.49%
Two or more races6,6325.94%
Asian3,4973.13%
Other race1,6391.47%
Native American1160.1%
Native Hawaiian or Pacific Islander150.01%
Race
Population ↓
Percentage (of total)
Two or more races1,7701.59%
White9580.86%
Other race7600.68%
Black or African American1940.17%
Asian630.06%
Native American370.03%
Race
Population ↓
Percentage (of total)
White77,03068.99%
Black or African American21,56919.32%
Two or more races4,8624.35%
Asian3,4343.08%
Other race8790.79%
Native American790.07%
Native Hawaiian or Pacific Islander150.01%

Capital township Marital Status

Economics and Income Statistics

Capital township 's average per capita income is $51,366. Household income levels show a median of $65,902. The poverty rate stands at 16.91%.

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$122,165$153,849
Families$94,087$122,076
Households$65,902$92,588
Non Families$43,721$57,930

$51,366

Average Income

$65,902

Median Household Income

16.91%

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)