All Countries
Collinsville, IL
Full City Profile · Illinois · St. Louis city County
3.3
/5.0
B
Good
24,126
Population
1,566/sq mi density
$65,170
Median Income
$40,599 per capita
$157,700
Home Value
$187,426 Zillow
$979
Median Rent
29.0% income on rent
57°F
Avg Temperature
293 sunny days/yr
261
Violent Crime/100K
2,013 property/100K
B
Overall
3.3 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.9 / 5.0
$65,170 median income, 3.0% unemployment
A+
Affordability
5.0 / 5.0
$157,700 home value, $979/mo rent
F
Safety
1.0 / 5.0
261 violent crimes/100K
B
Education
3.4 / 5.0
29.9% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
-4.9%
25,107 → 23,880
over 10 years
Annual Pop. Growth
-0.5%
Compound annual growth rate
Median Income Change
+25%
$52,132 → $65,170
nominal, not inflation-adjusted
Annual Income Growth
+2.26%
Compound annual growth rate
Population Over Time
Total population for Collinsville across each available Census ACS release.
Median Household Income Over Time
Median household income reported by U.S. Census ACS. Values are nominal (not adjusted for inflation).
Projected 2030
Simple projections extrapolating the 2013–2023 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
23,057
-823 from 2023 (23,880)
Projected Median Income 2030
$76,206
+$11,036 from 2023 ($65,170)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 25,107 | — | $52,132 | — |
| 2015 | 24,790 | -1.3% | $50,015 | -4.1% |
| 2017 | 24,731 | -0.2% | $51,968 | +3.9% |
| 2019 | 24,384 | -1.4% | $53,490 | +2.9% |
| 2021 | 24,320 | -0.3% | $60,793 | +13.7% |
| 2023 | 23,880 | -1.8% | $65,170 | +7.2% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.