Home Insurance in Winthrop Harbor, Illinois
With a median home value of $250,800, Winthrop Harbor is 27% lower than the Lake County median.
The typical home in Winthrop Harbor was built around 1981. About 26% of homes were built before 1960, about 4 points above Lake County's 21%. Aging wiring, roofing and plumbing in older homes can push up the cost to insure or rebuild them.
In Winthrop Harbor, the housing stock is 93% single-family homes and 6% apartments in buildings with 5+ units.
In Winthrop Harbor, about 57% of owner-occupied homes have a mortgage - lenders require hazard insurance on every mortgaged home.
About 87% of occupied homes in Winthrop Harbor are owner-occupied. The vacancy rate is 4%; vacant or unoccupied homes typically need a different coverage form than an owner-occupied policy.
Most homes in Winthrop Harbor - 85% - are primarily heated with natural gas.
Lake County had 2,078 active NFIP flood policies as of September 2026. Its top FEMA-rated hazard is tornado (Very High). See the full Lake 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 Illinois is $1,480 per year, according to the NAIC homeowners insurance report (2023 data).
Key figures
| Median home value | $250,800 |
|---|---|
| Median year built | 1981 |
| Owner-occupied share | 87% |
| Share of owner-occupied homes with a mortgage | 57% |
| Top county hazard | Tornado (Very High) |
| Active NFIP policies in Lake County | 2,078 |
| Home insurance premium | $1,480 - 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)