Cahokia Heights Flag

Cahokia Heights

County Seat:
No
Area (mi²):
15.717
State:
Illinois

Cahokia Heights is a city located in St. Clair County, Illinois. Cahokia Heights has a 2026 population of 16,653. Cahokia Heights is currently declining at a rate of -1.18% annually and its population has decreased by -6.7% since the most recent census, which recorded a population of 17,849 in 2020.

The median household income in Cahokia Heights is $33,792 with a poverty rate of 34.15%. The median age in Cahokia Heights is 30.3 years: 25.6 years for males, and 32.1 years for females. For every 100 females there are 87.5 males.

16.7K
Total Population
1,060
Density (mi²)
-199 -1.18%
Growth

Cahokia Heights Population

Cahokia Heights Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202616,653-199-1.18%
202516,852-200-1.17%
202417,052-144-0.84%
202317,196-189-1.09%
202217,385-246-1.4%
202117,631-218-1.22%
202017,849-54-0.3%
201900
201800
201700
201600
201500
201400
201300
201200
201100
201000

Median Age

Overall: 30.3 years
Female: 32.1 years
Male: 25.6 years

Cahokia Heights Adults

There are 10,967 adults, (1,915 of whom are seniors) in Cahokia Heights.

Sex Ratio

Female: 9,123 (53.3%)
Male: 7,983 (46.7%)

Demographics

The racial composition of Cahokia Heights includes 70.19% Black or African American, 20.21% White, and smaller percentages for other race, Asian, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
Black or African American12,00770.19%
White3,45720.21%
Two or more races1,2367.23%
Other race3141.84%
Asian840.49%
Native American80.05%
Race
Population ↓
Percentage (of total)
Other race2431.42%
Black or African American860.5%
White300.18%
Race
Population ↓
Percentage (of total)
Black or African American11,92169.69%
White3,42720.03%
Two or more races1,2367.23%
Asian840.49%
Other race710.42%
Native American80.05%

Cahokia Heights Marital Status

Economics and Income Statistics

Cahokia Heights ' average per capita income is $32,135. Household income levels show a median of $33,792. The poverty rate stands at 34.15%.

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$91,675-
Families$34,843$57,428
Households$33,792$53,557
Non Families$30,292$40,423

$32,135

Average Income

$33,792

Median Household Income

34.15%

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)