Home Insurance in Wilmington, Delaware
The median home value in Wilmington is $231,400, 34% lower than the New Castle County median.
The typical home in Wilmington was built around 1946. Older homes can cost more to insure or rebuild because of aging wiring, roofing and plumbing. About 64% of homes were built before 1960, about 34 points above New Castle County's 30%.
The housing stock in Wilmington is 63% single-family homes and 25% apartments in buildings with 5+ units. The rest are 2-4 unit or other housing types.
68% of owner-occupied homes in Wilmington carry a mortgage, and mortgage lenders require hazard insurance for as long as the loan is active.
The vacancy rate is 11%; vacant or unoccupied homes typically need a different coverage form than an owner-occupied policy. About 48% of occupied homes in Wilmington are owner-occupied.
Most homes in Wilmington - 55% - are primarily heated with natural gas.
New Castle County's top FEMA-rated hazard is winter weather (Very High), per FEMA's National Risk Index. New Castle County had 2,537 active NFIP flood policies as of September 2026. See the full New Castle County home insurance overview for all FEMA hazard ratings and flood coverage details.
In Delaware, the statewide average premium for a standard HO-3 homeowners policy is $1,196 per year (NAIC, 2023 data).
Key figures
| Median home value | $231,400 |
|---|---|
| Median year built | 1946 |
| Owner-occupied share | 48% |
| Share of owner-occupied homes with a mortgage | 68% |
| Top county hazard | Winter Weather (Very High) |
| Active NFIP policies in New Castle County | 2,537 |
| Home insurance premium | $1,196 - 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)