Home Insurance in St. Charles, Missouri
With a median home value of $298,700, St. Charles is 7% lower than the St. Charles County median.
The typical home in St. Charles was built around 1986. About 17% of homes were built before 1960, about 10 points above St. Charles County's 7%. Aging wiring, roofing and plumbing in older homes can push up the cost to insure or rebuild them.
In St. Charles, the housing stock is 67% single-family homes, 20% apartments in buildings with 5+ units and 5% mobile or manufactured homes. Mobile and manufactured homes typically need a manufactured-home (HO-7) policy rather than a standard homeowners policy.
65% of owner-occupied homes in St. Charles carry a mortgage, and mortgage lenders require hazard insurance for as long as the loan is active.
About 68% of occupied homes in St. Charles are owner-occupied. The vacancy rate is 6%; vacant or unoccupied homes typically need a different coverage form than an owner-occupied policy.
63% of homes in St. Charles are primarily heated with natural gas.
FEMA rates St. Charles County's overall risk as Relatively Moderate, led by strong wind (Very High). St. Charles County had 1,306 active NFIP flood policies as of September 2026. See the full St. Charles County home insurance overview for all FEMA hazard ratings and flood coverage details.
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 | $298,700 |
|---|---|
| Median year built | 1986 |
| Owner-occupied share | 68% |
| Share of owner-occupied homes with a mortgage | 65% |
| Top county hazard | Strong Wind (Very High) |
| Active NFIP policies in St. Charles County | 1,306 |
| Home insurance premium | $1,589 - 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)