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Hennepin, IL
Full City Profile · Illinois · Putnam County County
3.3
/5.0
B
Good
790
Population
149/sq mi density
$78,594
Median Income
$39,049 per capita
$166,700
Home Value
$204,195 Zillow
$836
Median Rent
29.1% income on rent
51°F
Avg Temperature
275 sunny days/yr
171
Violent Crime/100K
627 property/100K
B
Overall
3.3 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.3 / 5.0
$78,594 median income, 3.3% unemployment
A+
Affordability
5.0 / 5.0
$166,700 home value, $836/mo rent
F
Safety
1.0 / 5.0
171 violent crimes/100K
C+
Education
2.9 / 5.0
24.1% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
+1.8%
732 → 745
over 10 years
Annual Pop. Growth
+0.18%
Compound annual growth rate
Median Income Change
+44%
$54,583 → $78,594
nominal, not inflation-adjusted
Annual Income Growth
+3.71%
Compound annual growth rate
Population Over Time
Total population for Hennepin 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
754
+9 from 2023 (745)
Projected Median Income 2030
$101,422
+$22,828 from 2023 ($78,594)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 732 | — | $54,583 | — |
| 2015 | 711 | -2.9% | $61,042 | +11.8% |
| 2017 | 705 | -0.8% | $62,083 | +1.7% |
| 2019 | 707 | +0.3% | $61,875 | -0.3% |
| 2021 | 745 | +5.4% | $70,000 | +13.1% |
| 2023 | 745 | +0% | $78,594 | +12.3% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.