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Thomson, IL
Village in Carroll County, Illinois.
Population
1,757
Land area
2.2sq mi
People per sq mi
792
ZIP codes
0
Thomson and its ZIP codes
Thomson at a glance
- Thomson is about 3.5 times as dense as Illinois as a whole.
- The median household income is $61,250, 27% below the Illinois median of $83,390.
- A typical owner-occupied home is valued at $117,000 (56% below Illinois) and median rent is $918 a month.
Local data for Thomson, IL
Counts from official public data
Housing and community stats
Thomson, IL, American Community Survey 2020-2024
Median household income
$61,250
Poverty rate
21.3%
Median home value
$117,000
Median rent
$918/mo
Homeownership
69.3%
Bachelor's or higher
4.4%
Median age
40.7
Average commute
17.5 min
Largest reported origins and ancestries: German Americans (196), Mexican Americans (116), Irish Americans (103).
Economy and federal money
Jobs, pay, income and spending are for Carroll County. PPP loans are for Thomson.
Unemployment rate
3.4%
Sep 2026, -1.0 pts in a year
Average annual pay
$51,869
4,081 jobs, 2025
Income per person
$54,171
BEA, 2024
Federal spending
$121M
FY 2026, $7,688 per person
How people get to work
Thomson, IL, workers 16 and older. American Community Survey 5-year estimates
- Drove alone83.9%
- Carpooled10.7%
- Public transit0.0%
- Walked0.0%
- Bicycle0.0%
- Taxi, ride-hailing, motorcycle or other4.0%
- Worked from home1.3%
Average one-way commute: 17.5 minutes for people who do not work from home.
Environment and hazard risk
Thomson, IL, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: drought
Storm events since 1996
545
Countywide, mostly thunderstorm wind
Flood insurance policies
15
0.1% of homes, county
July high / Jan low
84° / 14°F
34.3 inches of rain a year
Health statistics
Share of adults in Thomson, IL, CDC PLACES estimates
Obesity
44.9%
U.S. 33.3% +11.6 pts
Diabetes
10.5%
U.S. 12.1% -1.6 pts
Smoking
19.5%
U.S. 12.8% +6.7 pts
Uninsured (18-64)
15.6%
U.S. 11.1% +4.5 pts
Cities near Thomson
| Name | Distance | Land area (sq mi) |
|---|---|---|
| Andover, IACity | 7.3 mi | 0.2 |
| Sabula, IACity | 7.6 mi | 0.5 |
| FultonCity | 8 mi | 2.3 |
| SavannaCity | 8.4 mi | 2.6 |
| Clinton, IACity | 9.8 mi | 35.6 |
| Mount CarrollCity | 11 mi | 2 |
| Miles, IACity | 12 mi | 1.3 |
| ChadwickVillage | 12 mi | 0.3 |
| MorrisonCity | 14 mi | 2.5 |
| AlbanyVillage | 14 mi | 1.1 |
| Goose Lake, IACity | 14 mi | 0.3 |
| Camanche, IACity | 15 mi | 8.9 |
| Preston, IACity | 16 mi | 0.9 |
| ColetaVillage | 17 mi | 0.4 |
| LanarkCity | 17 mi | 1.1 |
| Low Moor, IACity | 17 mi | 0.5 |
Frequently asked questions
- What county is Thomson, IL in?
- Thomson is in Carroll County, Illinois.
- What is the population of Thomson, IL?
- About 1,757 people live in Thomson, based on American Community Survey 5-year estimates.
- What cities are near Thomson?
- Nearby places include Andover, IA (7.3 mi), Sabula, IA (7.6 mi), Fulton (8 mi), Savanna (8.4 mi), Clinton, IA (9.8 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023