Home Insurance in Yellowstone County, Montana
Homes in Yellowstone County carry a median value of $349,500 - 7% lower than the Montana median.
The typical home in Yellowstone County was built around 1982. Because older housing stock often has aging wiring, roofing or plumbing, it can cost more to insure or rebuild. About 23% of homes were built before 1960, about 2 points below Montana's 26%.
The housing stock in Yellowstone County is 71% single-family homes, 11% apartments in buildings with 5+ units and 10% mobile or manufactured homes. Mobile and manufactured homes typically need a manufactured-home (HO-7) policy rather than a standard homeowners policy.
About 59% of owner-occupied homes in Yellowstone County have a mortgage. Lenders require hazard (homeowners) insurance on any home carrying a mortgage.
About 70% of occupied homes in Yellowstone County are owner-occupied. The vacancy rate is 6%; vacant or unoccupied homes typically need a different coverage form than an owner-occupied policy.
Most homes in Yellowstone County - 68% - 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.
Per FEMA's National Risk Index, Yellowstone County's top hazards are winter weather (Very High), wildfire (Relatively Moderate) and inland flooding (Relatively Moderate).
As of September 2026, Yellowstone County has 280 active NFIP flood insurance policies. Standard homeowners insurance does not cover flood damage, so flood coverage needs a separate NFIP or private flood policy.
In Montana, the statewide average premium for a standard HO-3 homeowners policy is $1,768 per year (NAIC, 2023 data).
Key figures
| Median home value | $349,500 |
|---|---|
| Median year built | 1982 |
| Owner-occupied share | 70% |
| Share of owner-occupied homes with a mortgage | 59% |
| Top hazards (FEMA National Risk Index) | Winter Weather (Very High), Wildfire (Relatively Moderate), Inland Flooding (Relatively Moderate) |
| Active NFIP flood policies (county) | 280 |
| Home insurance premium | $1,768 - 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)