United States › Illinois › Cahokia Heights CITY
Cahokia Heights Illinois · 16,874 residents (2025 est.) · 15.7 sq mi
The short version
With 17,106 people, Cahokia Heights is a city in Illinois. 13% of adults hold a bachelor's degree, below the 36% national rate. 34.1% of locals live below the federal poverty line. The median age is 30.3, younger than the US median of 38.9. Households here earn about 59% less than in Illinois as a whole. Median home value sits at $56,000.
At a glance
Lower income
below the US median
US median: $82,259
Younger
median age 30.3
US median: 38.9
Less educated
13% hold a bachelor's degree
US average: 36%
Stable housing
home values roughly flat, inflation adjusted
US median home: $376,019
Section 01
Population & growth 17,106
Unchangedsince 2023
from 17,173 in 2023
16,874 in 2025 (Census Bureau estimate)
1,088 / sq mi
Unchangedsince 2023
from 1,093 / sq mi in 2023
US average: 281
from 32.8 in 2023
US average: 38.9
Population, 2022 – 2024
17K 17K 17K 18K 18K 2022 2024 Cahokia Heights Age distribution, 2024
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy $33,792
−14%inflation adjusted, since 2023
from $37,975 in 2023
US average: $82,259
from $19,692 in 2023
US average: $44,673
Households earning $100K+
from 19.8% in 2023
US average: 53.3%
from 32.7% in 2023
US average: 12.5%
from 0.436 in 2023
US average: 0.476
Workforce by industry, 2024
Professional, scientific, technical 13.5%
Public administration 4.1%
Agriculture, forestry, fishing 2%
Transportation & warehousing 1%
Education & health services 0.4%
Arts, entertainment, food 0%
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$56,000
−4%inflation adjusted, since 2023
from $56,900 in 2023
US average: $376,019
$981
−1%inflation adjusted, since 2023
from $959 in 2023
US average: $1,442
from 52.6% in 2023
47.8% rent
from 27.0% in 2023
US average: 10.0%
from 2.69 people in 2023
US average: 2.54
from 26.5% in 2023
US average: 22.9%
from 55.0% in 2023
US average: 47.4%
from 1.5 in 2023
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Section 04
Race & ethnicity 2023
White, non-Hispanic 20.3%(3,489)
Hispanic / Latino 2.1%(356)
2024
White, non-Hispanic 20%(3,427)
Hispanic / Latino 2.1%(359)
from 56 in 2023
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Section 04 · Origins
Detailed origins & ancestry Ancestry
+ 5 more ancestry groups with data from 11.9% in 2023
US average: 35.6%
High school or higher
from 85.0% in 2023
US average: 89.6%
from 5.3% in 2023
US average: 14.0%
Section 06
Commute & transportation from 28.2 min in 2023
US average: 26.5
from 68.6% in 2023
US average: 68.9%
from 12.0% in 2023
US average: 8.5%
from 7.7% in 2023
US average: 3.2%
from 7.1% in 2023
US average: 15.0%
from 1.1% in 2023
US average: 2.4%
from 0.0% in 2023
US average: 0.4%
from 17.8% in 2023
US average: 8.3%
Section 07
Work & employment from 9.3% in 2023
US average: 5.2%
from 61.1% in 2023
US average: 63.5%
Women 20-64 in the labor force
US average: 74.6%
from 10.6% in 2023
US average: 13.1%
from 19.2% in 2023
US average: 42.5%
Section 08
People & community from 0.9% in 2023
US average: 14.1%
from 7.5% in 2023
US average: 6.2%
from 20.1% in 2023
US average: 13.3%
from 6.1% in 2023
US average: 8.4%
from 80.4% in 2023
US average: 91.0%
Computer in household
US average: 95.5%
from 96.7% in 2023
US average: 77.7%
from 2.7% in 2023
US average: 13.6%
Marital status
Men 15+
Never married 50.4%(2,617)
Women 15+
Never married 51.1%(3,365)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage from 6.1% in 2023
US average: 8.4%
Direct-purchase
US average: 13.8%
VA health care
US average: 2.2%
Any private
US average: 67.1%
Any public
US average: 36.7%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2024
Gulf War (2001 or later) 12.2%(97)
Gulf War (1990s) 23.8%(190)
Share of the 797 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
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Drill deeper
Places similar to Cahokia Heights Head to head
Compare Cahokia Heights to nearby cities CAHOKIA HEIGHTS VS
East St. Louis
Income $35,700 +6%
Home value $52,600 −6%
Population 17,682 +5%
SEE FULL COMPARISON →
CAHOKIA HEIGHTS VS
St. Louis
Income $56,160 +66%
Home value $197,500 +253%
Population 278,144 +1548%
SEE FULL COMPARISON →
CAHOKIA HEIGHTS VS
Lemay
Income $60,399 +79%
Home value $152,200 +172%
Population 16,228 −4%
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CAHOKIA HEIGHTS VS
Fairview Heights
Income $80,930 +139%
Home value $177,700 +217%
Population 16,175 −4%
SEE FULL COMPARISON →
Frequently asked
How many people live in Cahokia Heights, Illinois? Cahokia Heights, Illinois has about 17,106 residents according to the 2024 American Community Survey.
What is the median household income in Cahokia Heights, Illinois? The typical household in Cahokia Heights, Illinois earns about $33,792 a year. Half of households make more than that, and half make less.
Is Cahokia Heights, Illinois expensive? In Cahokia Heights, Illinois, the median home is worth about $56,000, and the typical rent is about $981 a month.
How educated are people in Cahokia Heights, Illinois? About 13.5% of adults age 25 and over in Cahokia Heights, Illinois hold a bachelor's degree or higher.
What is the poverty rate in Cahokia Heights, Illinois? About 34.1% of people in Cahokia Heights, Illinois live below the federal poverty line.
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