Home Insurance in Marvin, South Dakota
The median home in Marvin was built in 1939 or earlier. About 67% of homes were built before 1960, about 28 points above Grant County's 38%. Because older housing stock often has aging wiring, roofing or plumbing, it can cost more to insure or rebuild.
In Marvin, the housing stock is 100% single-family homes.
About 11% of owner-occupied homes in Marvin have a mortgage. Lenders require hazard (homeowners) insurance on any home carrying a mortgage.
All occupied homes in Marvin are owner-occupied.
Homes heated with propane and wood can carry added fire risk. Fuel-tank leaks and spills are often excluded from standard homeowners policies. In Marvin, 44% of homes are primarily heated with propane.
Grant County's top FEMA-rated hazard is winter weather (Relatively Low), per FEMA's National Risk Index. Grant County had 19 active NFIP flood policies as of September 2026. See the full Grant County home insurance overview for all FEMA hazard ratings and flood coverage details.
In South Dakota, the statewide average premium for a standard HO-3 homeowners policy is $1,614 per year (NAIC, 2023 data).
Key figures
| Median year built | 1939 or earlier |
|---|---|
| Owner-occupied share | 100% |
| Share of owner-occupied homes with a mortgage | 11% |
| Top county hazard | Winter Weather (Relatively Low) |
| Active NFIP policies in Grant County | 19 |
| Home insurance premium | $1,614 - 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)