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St. Elmo, IL
Full City Profile · Illinois · Effingham County County
2.8
/5.0
C+
Fair
1,401
Population
947/sq mi density
$47,115
Median Income
$23,540 per capita
$80,300
Home Value
$163,092 Zillow
$759
Median Rent
27.8% income on rent
54°F
Avg Temperature
293 sunny days/yr
72
Violent Crime/100K
1,368 property/100K
C+
Overall
2.8 / 5.0
Fair overall score based on economy, affordability, safety and education
B
Economy
3.4 / 5.0
$47,115 median income, 2.4% unemployment
A+
Affordability
5.0 / 5.0
$80,300 home value, $759/mo rent
F
Safety
1.0 / 5.0
72 violent crimes/100K
D
Education
1.7 / 5.0
8.2% bachelor's degree or higher
Change Over Time (2013, 2023)
Population Change
-12.1%
1,420 → 1,248
over 10 years
Annual Pop. Growth
-1.28%
Compound annual growth rate
Median Income Change
+49.1%
$31,599 → $47,115
nominal, not inflation-adjusted
Annual Income Growth
+4.08%
Compound annual growth rate
Population Over Time
Total population for St. Elmo 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
1,140
-108 from 2023 (1,248)
Projected Median Income 2030
$62,335
+$15,220 from 2023 ($47,115)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 1,420 | - | $31,599 | - |
| 2015 | 1,403 | -1.2% | $32,708 | +3.5% |
| 2017 | 1,385 | -1.3% | $35,000 | +7% |
| 2019 | 1,374 | -0.8% | $44,728 | +27.8% |
| 2021 | 1,284 | -6.6% | $47,303 | +5.8% |
| 2023 | 1,248 | -2.8% | $47,115 | -0.4% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.