Cahokia Heights, IL
Full City Profile · Illinois · St. Louis city County
2.9
/5.0
C+
Fair
17,173
Population
1,088/sq mi density
$37,975
Median Income
$19,692 per capita
$56,900
Home Value
$49,811 Zillow
$959
Median Rent
37.6% income on rent
57°F
Avg Temperature
C+
Overall
2.9 / 5.0
Fair overall score based on economy, affordability, safety and education
D
Economy
1.6 / 5.0
$37,975 median income, 9.3% unemployment
A+
Affordability
5.0 / 5.0
$56,900 home value, $959/mo rent
D
Education
2.0 / 5.0
11.9% bachelor's degree or higher
Change Over Time (2021, 2023)
Population Change
-2.5%
17,631 → 17,196
over 2 years
Annual Pop. Growth
-1.24%
Compound annual growth rate
Population Over Time
Total population for Cahokia Heights across each available Census ACS release.
Projected 2030
Simple projections extrapolating the 2021, 2023 compound annual growth rate forward. These are mathematical extensions of recent trends, not forecasts, real outcomes depend on migration, policy and economic shifts.
Projected Population 2030
15,758
-1,438 from 2023 (17,196)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2021 | 17,631 | - | - | - |
| 2023 | 17,196 | -2.5% | $37,975 | - |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.