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Altamont, IL
Full City Profile · Illinois · Effingham County County
3.2
/5.0
B
Good
2,500
Population
1,623/sq mi density
$76,198
Median Income
$33,297 per capita
$132,200
Home Value
$167,330 Zillow
$898
Median Rent
19.2% income on rent
54°F
Avg Temperature
293 sunny days/yr
132
Violent Crime/100K
922 property/100K
B
Overall
3.2 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.3 / 5.0
$76,198 median income, 0.5% unemployment
A+
Affordability
5.0 / 5.0
$132,200 home value, $898/mo rent
F
Safety
1.0 / 5.0
132 violent crimes/100K
C
Education
2.5 / 5.0
18.6% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
-5.5%
2,322 → 2,195
over 10 years
Annual Pop. Growth
-0.56%
Compound annual growth rate
Median Income Change
+63.2%
$46,682 → $76,198
nominal, not inflation-adjusted
Annual Income Growth
+5.02%
Compound annual growth rate
Population Over Time
Total population for Altamont 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
2,110
-85 from 2023 (2,195)
Projected Median Income 2030
$107,361
+$31,163 from 2023 ($76,198)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 2,322 | — | $46,682 | — |
| 2015 | 2,319 | -0.1% | $39,485 | -15.4% |
| 2017 | 2,311 | -0.3% | $41,220 | +4.4% |
| 2019 | 2,363 | +2.3% | $46,204 | +12.1% |
| 2021 | 2,191 | -7.3% | $55,972 | +21.1% |
| 2023 | 2,195 | +0.2% | $76,198 | +36.1% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.