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Belleville, IL
Full City Profile · Illinois · St. Clair County County
3.3
/5.0
B
Good
41,722
Population
1,794/sq mi density
$60,529
Median Income
$33,315 per capita
$131,000
Home Value
$155,674 Zillow
$947
Median Rent
29.4% income on rent
58°F
Avg Temperature
293 sunny days/yr
555
Violent Crime/100K
2,670 property/100K
B
Overall
3.3 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.8 / 5.0
$60,529 median income, 3.4% unemployment
A+
Affordability
5.0 / 5.0
$131,000 home value, $947/mo rent
F
Safety
1.0 / 5.0
555 violent crimes/100K (46% above avg)
B
Education
3.2 / 5.0
28.0% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
-4.9%
42,997 → 40,876
over 10 years
Annual Pop. Growth
-0.5%
Compound annual growth rate
Median Income Change
+27.8%
$47,348 → $60,529
nominal, not inflation-adjusted
Annual Income Growth
+2.49%
Compound annual growth rate
Population Over Time
Total population for Belleville 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
39,467
-1,409 from 2023 (40,876)
Projected Median Income 2030
$71,901
+$11,372 from 2023 ($60,529)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 42,997 | — | $47,348 | — |
| 2015 | 42,207 | -1.8% | $43,318 | -8.5% |
| 2017 | 41,680 | -1.2% | $42,406 | -2.1% |
| 2019 | 40,885 | -1.9% | $48,099 | +13.4% |
| 2021 | 41,751 | +2.1% | $56,404 | +17.3% |
| 2023 | 40,876 | -2.1% | $60,529 | +7.3% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.