All Countries
Chapin, IL
Full City Profile · Illinois · Scott County County
3.6
/5.0
B+
Good
618
Population
618/sq mi density
$69,213
Median Income
$34,505 per capita
$83,800
Home Value
$98,242 Zillow
$945
Median Rent
14.3% income on rent
53°F
Avg Temperature
293 sunny days/yr
B+
Overall
3.6 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.3 / 5.0
$69,213 median income, 2.4% unemployment
A+
Affordability
5.0 / 5.0
$83,800 home value, $945/mo rent
C+
Safety
2.5 / 5.0
0 violent crimes/100K
C
Education
2.5 / 5.0
18.4% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
-7.9%
504 → 464
over 10 years
Annual Pop. Growth
-0.82%
Compound annual growth rate
Median Income Change
+54.6%
$44,769 → $69,213
nominal, not inflation-adjusted
Annual Income Growth
+4.45%
Compound annual growth rate
Population Over Time
Total population for Chapin 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
438
-26 from 2023 (464)
Projected Median Income 2030
$93,874
+$24,661 from 2023 ($69,213)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 504 | — | $44,769 | — |
| 2015 | 500 | -0.8% | $45,833 | +2.4% |
| 2017 | 490 | -2% | $46,042 | +0.5% |
| 2019 | 478 | -2.4% | $50,000 | +8.6% |
| 2021 | 461 | -3.6% | $61,350 | +22.7% |
| 2023 | 464 | +0.7% | $69,213 | +12.8% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.