Home Insurance in St. Clair County, Missouri
With a median home value of $157,100, St. Clair County is 32% lower than the Missouri median.
The typical home in St. Clair County was built around 1979. Aging wiring, roofing and plumbing in older homes can push up the cost to insure or rebuild them. About 24% of homes were built before 1960, about 4 points below Missouri's 27%.
Mobile and manufactured homes typically need a manufactured-home (HO-7) policy rather than a standard homeowners policy. The housing stock in St. Clair County is 74% single-family homes, 2% apartments in buildings with 5+ units and 20% mobile or manufactured homes.
44% of owner-occupied homes in St. Clair County carry a mortgage, and mortgage lenders require hazard insurance for as long as the loan is active.
St. Clair County has an owner-occupancy rate of 76% and a vacancy rate of 23%; unoccupied homes typically need a different coverage form.
In St. Clair County, 41% of homes are primarily heated with electricity. Homes heated with propane and wood can carry added fire risk. Fuel-tank leaks and spills are often excluded from standard homeowners policies.
FEMA's National Risk Index lists winter weather (Relatively Moderate), wildfire (Very Low) and hail (Relatively Low) as the leading hazards for St. Clair County.
Standard homeowners insurance does not cover flood damage, so flood coverage needs a separate NFIP or private flood policy. St. Clair County has no active NFIP flood policies on file.
In Missouri, the statewide average premium for a standard HO-3 homeowners policy is $1,589 per year (NAIC, 2023 data).
Key figures
| Median home value | $157,100 |
|---|---|
| Median year built | 1979 |
| Owner-occupied share | 76% |
| Share of owner-occupied homes with a mortgage | 44% |
| Top hazards (FEMA National Risk Index) | Winter Weather (Relatively Moderate), Wildfire (Very Low), Hail (Relatively Low) |
| Home insurance premium | $1,589 - 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)