Home Insurance in Grant County, South Dakota
The median home value in Grant County is $171,000, 34% lower than the South Dakota median.
The typical home in Grant County was built around 1972. About 38% of homes were built before 1960, about 11 points above South Dakota's 28%. Because older housing stock often has aging wiring, roofing or plumbing, it can cost more to insure or rebuild.
Mobile and manufactured homes typically need a manufactured-home (HO-7) policy rather than a standard homeowners policy. The housing stock in Grant County is 79% single-family homes, 7% apartments in buildings with 5+ units and 5% mobile or manufactured homes.
About 44% of owner-occupied homes in Grant County have a mortgage. Lenders require hazard (homeowners) insurance on any home carrying a mortgage.
Grant County has an owner-occupancy rate of 76% and a vacancy rate of 12%; 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. In Grant County, 41% of homes are primarily heated with natural gas.
Per FEMA's National Risk Index, Grant County's top hazards are winter weather (Relatively Low), wildfire (Very Low) and hail (Relatively Low).
As of September 2026, Grant County has 19 active NFIP flood insurance policies. Standard homeowners insurance does not cover flood damage, so flood coverage needs a separate NFIP or private flood policy.
According to the NAIC homeowners insurance report (2023 data), a standard HO-3 homeowners policy in South Dakota carries a statewide average premium of $1,614 per year.
Key figures
| Median home value | $171,000 |
|---|---|
| Median year built | 1972 |
| Owner-occupied share | 76% |
| Share of owner-occupied homes with a mortgage | 44% |
| Top hazards (FEMA National Risk Index) | Winter Weather (Relatively Low), Wildfire (Very Low), Hail (Relatively Low) |
| Active NFIP flood policies (county) | 19 |
| Home insurance premium | $1,614 - statewide average (NAIC, 2023 data) |
Towns and cities
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)