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Mill Creek, IL
Full City Profile · Illinois · Union County County
2.4
/5.0
C
Fair
32
Population
84/sq mi density
$107,500
Median Income
$34,413 per capita
59°F
Avg Temperature
299 sunny days/yr
320
Violent Crime/100K
4,280 property/100K
C
Overall
2.4 / 5.0
Fair overall score based on economy, affordability, safety and education
C+
Economy
2.8 / 5.0
$107,500 median income, 20.0% unemployment
F
Safety
1.0 / 5.0
320 violent crimes/100K
B
Education
3.3 / 5.0
29.2% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
-15.2%
66 → 56
over 10 years
Annual Pop. Growth
-1.63%
Compound annual growth rate
Median Income Change
+100%
$53,750 → $107,500
nominal, not inflation-adjusted
Annual Income Growth
+7.18%
Compound annual growth rate
Population Over Time
Total population for Mill Creek 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
50
-6 from 2023 (56)
Projected Median Income 2030
$174,665
+$67,165 from 2023 ($107,500)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 66 | — | $53,750 | — |
| 2015 | 64 | -3% | $90,000 | +67.4% |
| 2017 | 66 | +3.1% | $93,000 | +3.3% |
| 2019 | 64 | -3% | — | — |
| 2021 | 57 | -10.9% | — | — |
| 2023 | 56 | -1.8% | $107,500 | — |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.