Home Insurance in Madison County, Illinois
Homes in Madison County carry a median value of $173,000 - 34% lower than the Illinois median.
The typical home in Madison County was built around 1971. Older homes can cost more to insure or rebuild because of aging wiring, roofing and plumbing. About 36% of homes were built before 1960, about 1 point below Illinois's 38%.
In Madison County, the housing stock is 82% single-family homes, 8% apartments in buildings with 5+ units and 2% mobile or manufactured homes.
About 60% of owner-occupied homes in Madison County have a mortgage. Lenders require hazard (homeowners) insurance on any home carrying a mortgage.
The vacancy rate is 8%; vacant or unoccupied homes typically need a different coverage form than an owner-occupied policy. About 74% of occupied homes in Madison County are owner-occupied.
Homes heated with propane can carry added fire risk. Fuel-tank leaks and spills are often excluded from standard homeowners policies. 61% of homes in Madison County are primarily heated with natural gas.
The top hazards for Madison County, per FEMA's National Risk Index, are tornado (Relatively High), hail (Relatively High) and earthquake (Relatively Moderate). Standard homeowners policies exclude earthquake, so separate coverage is usually needed.
Standard homeowners insurance does not cover flood damage, so flood coverage needs a separate NFIP or private flood policy. As of September 2026, Madison County has 934 active NFIP flood policies on file.
According to the NAIC homeowners insurance report (2023 data), a standard HO-3 homeowners policy in Illinois carries a statewide average premium of $1,480 per year.
Key figures
| Median home value | $173,000 |
|---|---|
| Median year built | 1971 |
| Owner-occupied share | 74% |
| Share of owner-occupied homes with a mortgage | 60% |
| Top hazards (FEMA National Risk Index) | Tornado (Relatively High), Hail (Relatively High), Earthquake (Relatively Moderate) |
| Active NFIP flood policies (county) | 934 |
| Home insurance premium | $1,480 - statewide average (NAIC, 2023 data) |
Towns and cities
- Alhambra
- Alton
- Bethalto
- Collinsville
- East Alton
- Edwardsville
- Glen Carbon
- Godfrey
- Granite City
- Grantfork
- Hamel
- Hartford
- Highland
- Livingston
- Madison
- Marine
- Maryville
- New Douglas
- Pontoon Beach
- Roxana
- South Roxana
- St. Jacob
- Troy
- Venice
- Williamson
- Wood River
- Worden
Sources
- 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)