All Countries
Thomson, IL
Full City Profile · Illinois · Clinton County County
2.8
/5.0
C+
Fair
1,526
Population
687/sq mi density
$54,063
Median Income
$10,875 per capita
$122,300
Home Value
$147,444 Zillow
$940
Median Rent
40.4% income on rent
50°F
Avg Temperature
275 sunny days/yr
88
Violent Crime/100K
1,002 property/100K
C+
Overall
2.8 / 5.0
Fair overall score based on economy, affordability, safety and education
B+
Economy
3.7 / 5.0
$54,063 median income, 2.3% unemployment
A+
Affordability
5.0 / 5.0
$122,300 home value, $940/mo rent
F
Safety
1.0 / 5.0
88 violent crimes/100K
F
Education
1.4 / 5.0
5.2% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
+178.6%
574 → 1,599
over 10 years
Annual Pop. Growth
+10.79%
Compound annual growth rate
Median Income Change
+16.9%
$46,250 → $54,063
nominal, not inflation-adjusted
Annual Income Growth
+1.57%
Compound annual growth rate
Population Over Time
Total population for Thomson 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
3,276
+1,677 from 2023 (1,599)
Projected Median Income 2030
$60,292
+$6,229 from 2023 ($54,063)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 574 | — | $46,250 | — |
| 2015 | 563 | -1.9% | $56,250 | +21.6% |
| 2017 | 559 | -0.7% | $60,577 | +7.7% |
| 2019 | 552 | -1.3% | $49,375 | -18.5% |
| 2021 | 753 | +36.4% | $50,556 | +2.4% |
| 2023 | 1,599 | +112.4% | $54,063 | +6.9% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.