Home Insurance in Lake Mills, Wisconsin
Homes in Lake Mills carry a median value of $317,100 - 16% higher than the Jefferson County median.
The typical home in Lake Mills was built around 1976. Because older housing stock often has aging wiring, roofing or plumbing, it can cost more to insure or rebuild. About 36% of homes were built before 1960, about 2 points below Jefferson County's 38%.
The housing stock in Lake Mills is 62% single-family homes, 20% apartments in buildings with 5+ units and 13% mobile or manufactured homes. Mobile and manufactured homes typically need a manufactured-home (HO-7) policy rather than a standard homeowners policy.
61% of owner-occupied homes in Lake Mills carry a mortgage, and mortgage lenders require hazard insurance for as long as the loan is active.
About 67% of occupied homes in Lake Mills are owner-occupied. The vacancy rate is 10%; vacant or unoccupied homes typically need a different coverage form than an owner-occupied policy.
76% of homes in Lake Mills are primarily heated with natural gas.
FEMA rates Jefferson County's overall risk as Relatively Low, led by hail (Relatively Moderate). Jefferson County had 174 active NFIP flood policies as of September 2026. See the full Jefferson County home insurance overview for all FEMA hazard ratings and flood coverage details.
The statewide average premium for a standard HO-3 homeowners policy in Wisconsin is $923 per year, according to the NAIC homeowners insurance report (2023 data).
Key figures
| Median home value | $317,100 |
|---|---|
| Median year built | 1976 |
| Owner-occupied share | 67% |
| Share of owner-occupied homes with a mortgage | 61% |
| Top county hazard | Hail (Relatively Moderate) |
| Active NFIP policies in Jefferson County | 174 |
| Home insurance premium | $923 - 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)