Home Insurance in Thomson, Illinois
The median home value in Thomson is $117,000, close to the Carroll County median.
Because older housing stock often has aging wiring, roofing or plumbing, it can cost more to insure or rebuild. The typical home in Thomson was built around 1965. About 43% of homes were built before 1960, about 10 points below Carroll County's 53%.
In Thomson, the housing stock is 75% single-family homes, 6% apartments in buildings with 5+ units and 2% mobile or manufactured homes. The rest are 2-4 unit or other housing types.
About 56% of owner-occupied homes in Thomson have a mortgage. Lenders require hazard (homeowners) insurance on any home carrying a mortgage.
The vacancy rate is 18%; vacant or unoccupied homes typically need a different coverage form than an owner-occupied policy. About 69% of occupied homes in Thomson are owner-occupied.
Most homes in Thomson - 73% - are primarily heated with natural gas.
Carroll County's top FEMA-rated hazard is strong wind (Relatively Moderate), per FEMA's National Risk Index. Carroll County had 18 active NFIP flood policies as of September 2026. See the full Carroll County home insurance overview for all FEMA hazard ratings and flood coverage details.
In Illinois, the statewide average premium for a standard HO-3 homeowners policy is $1,480 per year (NAIC, 2023 data).
Key figures
| Median home value | $117,000 |
|---|---|
| Median year built | 1965 |
| Owner-occupied share | 69% |
| Share of owner-occupied homes with a mortgage | 56% |
| Top county hazard | Strong Wind (Relatively Moderate) |
| Active NFIP policies in Carroll County | 18 |
| Home insurance premium | $1,480 - statewide average (NAIC, 2023 data) |
Nearby towns
Sources
Data last updated: 2026-09-29
- U.S. Census Bureau Gazetteer Files (2024)
- U.S. Census Bureau, American Community Survey 2020-2024 5-Year Estimates (2024)
- FEMA National Risk Index (December 2025)
- FEMA OpenFEMA NFIP Redacted Policies v3 (2026)
- NAIC Dwelling Fire, Homeowners Owner-Occupied, and Homeowners Tenant and Condominium/Cooperative Unit Owners Insurance: Data for 2023 (published 2026) (2023)