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Thebes, IL
Full City Profile · Illinois · Alexander County County
2.7
/5.0
C+
Fair
363
Population
207/sq mi density
$41,250
Median Income
$14,686 per capita
$45,000
Home Value
$134,766 Zillow
$475
Median Rent
15.0% income on rent
58°F
Avg Temperature
299 sunny days/yr
320
Violent Crime/100K
4,280 property/100K
C+
Overall
2.7 / 5.0
Fair overall score based on economy, affordability, safety and education
B
Economy
3.3 / 5.0
$41,250 median income, 3.7% unemployment
A+
Affordability
5.0 / 5.0
$45,000 home value, $475/mo rent
F
Safety
1.0 / 5.0
320 violent crimes/100K
D
Education
1.6 / 5.0
7.6% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
-53.1%
401 → 188
over 10 years
Annual Pop. Growth
-7.3%
Compound annual growth rate
Median Income Change
+58%
$26,100 → $41,250
nominal, not inflation-adjusted
Annual Income Growth
+4.68%
Compound annual growth rate
Population Over Time
Total population for Thebes 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
111
-77 from 2023 (188)
Projected Median Income 2030
$56,816
+$15,566 from 2023 ($41,250)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 401 | — | $26,100 | — |
| 2015 | 374 | -6.7% | $21,875 | -16.2% |
| 2017 | 347 | -7.2% | $31,250 | +42.9% |
| 2019 | 319 | -8.1% | $35,357 | +13.1% |
| 2021 | 200 | -37.3% | $42,500 | +20.2% |
| 2023 | 188 | -6% | $41,250 | -2.9% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.