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Thomson

A village of 1,757 people in Illinois
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About Thomson

Village in Illinois, United States
1,610Population
2.4 sq miArea
597 ftElevation

Thomson is a village along Illinois Route 84 near the Mississippi River in Carroll County, Illinois, United States. As of the 2020 census, Thomson had a population of 1,610. Just north of the village is the United States Penitentiary, Thomson, a mostly-unused former state prison, purchased by the Federal Bureau of Prisons in 2012. Currently, USP Thomson houses over 100 low-security inmates as it remodels to federal maximum-security standards. Thomson is known for its watermelons, and it has the nickname "Melon Capital of the World."

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From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

Town numbers

ZIP code61285
Living in Thomson

Housing in Thomson

$163K▲ 6.4% in a year Typical home value · Zillow

The typical Thomson home is worth about $163,000, up 6.4% in a year, 45% below the Illinois typical home.

Zillow Home Value Index · Redfin Data CenterHousing market →

Work & commute in Thomson

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Most working residents leave Thomson for work: only 5% work in town. The top destinations are Clinton (8%), Savanna (6%) and Chicago (6%). Half commute less than 46 miles.

Clinton, IA
8%
Savanna
6%
Chicago
6%
Fulton
3%
Census LEHD 2023 · ACSWork & commute in Thomson →

Health in Thomson

C+

Health Grade C+

Healthier than 36% of U.S. towns on seven CDC estimates, and 55% of towns with similar incomes.

Compared with Illinois

5better than IL·17worse

of 32 measures CDC estimates. The other 10 are too close to call.

BetterToo close to callWorse

What stands out

Care nearby

Mercyone Clinton Medical CenterClinton · 8.8 mi · ER
Community Health Care, Inc. - Clinton NorthClinton · 8.8 mi · sliding-scale fees
Primary careShortage · county-wide
DentalShortage · county-wide
Mental healthShortage · county-wide
CDC PLACES 2025 · modeled estimates for adults · CDC's estimate for Thomson · CMS · HRSAHealth in Thomson →

Natural hazards in Thomson

56
Moderate

Expected storm and flood damage is higher than in 56% of U.S. communities.

🌊 Inland flooding🌵 Drought🌪️ Tornadoes
FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Thomson →

Climate in Thomson

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Thomson has cold, snowy winters and warm summers. A typical July afternoon reaches 84°, a January night drops to 13°, and about 33 inches of snow falls in a normal winter.

33° / 16°Winter
60° / 39°Spring
83° / 61°Summer
62° / 41°Fall
NOAA U.S. Climate Normals, 1991–2020Climate in Thomson →
Famous people from ThomsonWriters, athletes, leaders and more who were born in Thomson.Meet them →

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Boundary source: https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Places_CouSub_ConCity_SubMCD/MapServer/18 · 2025-01-01