Home Insurance in Grafton, Iowa
Homes in Grafton carry a median value of $93,300 - 36% lower than the Worth County median.
The typical home in Grafton was built around 1947. Because older housing stock often has aging wiring, roofing or plumbing, it can cost more to insure or rebuild. About 62% of homes were built before 1960, about 1 point above Worth County's 61%.
The housing stock in Grafton is 87% single-family homes and 11% apartments in buildings with 5+ units.
In Grafton, about 55% of owner-occupied homes have a mortgage - lenders require hazard insurance on every mortgaged home.
Grafton has an owner-occupancy rate of 68% and a vacancy rate of 8%; unoccupied homes typically need a different coverage form.
Homes heated with propane can carry added fire risk. Fuel-tank leaks and spills are often excluded from standard homeowners policies. 79% of homes in Grafton are primarily heated with propane.
FEMA rates Worth County's overall risk as Very Low, led by winter weather (Relatively Low). Worth County had 5 active NFIP flood policies as of September 2026. See the full Worth 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 Iowa carries a statewide average premium of $1,342 per year.
Key figures
| Median home value | $93,300 |
|---|---|
| Median year built | 1947 |
| Owner-occupied share | 68% |
| Share of owner-occupied homes with a mortgage | 55% |
| Top county hazard | Winter Weather (Relatively Low) |
| Active NFIP policies in Worth County | 5 |
| Home insurance premium | $1,342 - 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)