All Countries
Illiopolis, IL
Full City Profile · Illinois · Christian County County
3.6
/5.0
B+
Good
854
Population
1,256/sq mi density
$74,219
Median Income
$32,074 per capita
$96,500
Home Value
$137,496 Zillow
$675
Median Rent
17.0% 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
4.5 / 5.0
$74,219 median income, 1.2% unemployment
A+
Affordability
5.0 / 5.0
$96,500 home value, $675/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
-6.4%
891 → 834
over 10 years
Annual Pop. Growth
-0.66%
Compound annual growth rate
Median Income Change
+35.6%
$54,722 → $74,219
nominal, not inflation-adjusted
Annual Income Growth
+3.09%
Compound annual growth rate
Population Over Time
Total population for Illiopolis 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
796
-38 from 2023 (834)
Projected Median Income 2030
$91,840
+$17,621 from 2023 ($74,219)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 891 | — | $54,722 | — |
| 2015 | 879 | -1.3% | $50,000 | -8.6% |
| 2017 | 863 | -1.8% | $60,000 | +20% |
| 2019 | 844 | -2.2% | $64,063 | +6.8% |
| 2021 | 831 | -1.5% | $62,143 | -3% |
| 2023 | 834 | +0.4% | $74,219 | +19.4% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.