Home Insurance in Grafton, Illinois
Homes in Grafton carry a median value of $275,800 - 60% higher than the Jersey County median.
The typical home in Grafton was built around 1994. About 24% of homes were built before 1960, about 8 points below Jersey County's 32%. Older homes can cost more to insure or rebuild because of aging wiring, roofing and plumbing.
Mobile and manufactured homes typically need a manufactured-home (HO-7) policy rather than a standard homeowners policy. The housing stock in Grafton is 69% single-family homes, 12% apartments in buildings with 5+ units and 5% mobile or manufactured homes. The rest are 2-4 unit or other housing types.
61% of owner-occupied homes in Grafton carry a mortgage, and mortgage lenders require hazard insurance for as long as the loan is active.
About 87% of occupied homes in Grafton are owner-occupied. The vacancy rate is 35%; vacant or unoccupied homes typically need a different coverage form than an owner-occupied policy.
61% of homes in Grafton are primarily heated with natural gas.
Jersey County had 92 active NFIP flood policies as of September 2026. Its top FEMA-rated hazard is earthquake (Relatively Low). See the full Jersey County home insurance overview for all FEMA hazard ratings and flood coverage details. Earthquake damage is excluded from a standard homeowners policy.
The statewide average premium for a standard HO-3 homeowners policy in Illinois is $1,480 per year, according to the NAIC homeowners insurance report (2023 data).
Key figures
| Median home value | $275,800 |
|---|---|
| Median year built | 1994 |
| Owner-occupied share | 87% |
| Share of owner-occupied homes with a mortgage | 61% |
| Top county hazard | Earthquake (Relatively Low) |
| Active NFIP policies in Jersey County | 92 |
| 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)