Home Insurance in Grantfork, Illinois
The median home value in Grantfork is $167,900, close to the Madison County median.
The typical home in Grantfork was built around 1985. About 28% of homes were built before 1960, about 9 points below Madison County's 36%. Older homes can cost more to insure or rebuild because of aging wiring, roofing and plumbing.
The housing stock in Grantfork is 95% single-family homes and 5% mobile or manufactured homes. Mobile and manufactured homes typically need a manufactured-home (HO-7) policy rather than a standard homeowners policy.
In Grantfork, about 72% of owner-occupied homes have a mortgage - lenders require hazard insurance on every mortgaged home.
About 98% of occupied homes in Grantfork are owner-occupied. The vacancy rate is 4%; vacant or unoccupied homes typically need a different coverage form than an owner-occupied policy.
Most homes in Grantfork - 67% - are primarily heated with natural gas. Homes heated with propane can carry added fire risk. Fuel-tank leaks and spills are often excluded from standard homeowners policies.
What's the biggest home insurance risk near Grantfork? FEMA's National Risk Index points to tornado (Relatively High) in Madison County and Madison County had 934 active NFIP flood policies as of September 2026. See the full Madison County home insurance overview for all FEMA hazard ratings and flood coverage details.
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 | $167,900 |
|---|---|
| Median year built | 1985 |
| Owner-occupied share | 98% |
| Share of owner-occupied homes with a mortgage | 72% |
| Top county hazard | Tornado (Relatively High) |
| Active NFIP policies in Madison County | 934 |
| 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)