Home Insurance in Dorchester County, South Carolina
The median home value in Dorchester County is $329,300, 27% higher than the South Carolina median.
The typical home in Dorchester County was built around 2000. Aging wiring, roofing and plumbing in older homes can push up the cost to insure or rebuild them. About 4% of homes were built before 1960, about 8 points below South Carolina's 12%.
Mobile and manufactured homes typically need a manufactured-home (HO-7) policy rather than a standard homeowners policy. The housing stock in Dorchester County is 73% single-family homes, 11% apartments in buildings with 5+ units and 12% mobile or manufactured homes.
In Dorchester County, about 67% of owner-occupied homes have a mortgage - lenders require hazard insurance on every mortgaged home.
Dorchester County has an owner-occupancy rate of 76% and a vacancy rate of 7%; unoccupied homes typically need a different coverage form.
Most homes in Dorchester County - 75% - are primarily heated with electricity.
FEMA's National Risk Index lists earthquake (Relatively Moderate), hurricane (Relatively High) and wildfire (Relatively Low) as the leading hazards for Dorchester County. Standard homeowners policies exclude earthquake, so separate coverage is usually needed.
Dorchester County had 2,974 active National Flood Insurance Program policies as of September 2026. Standard homeowners insurance does not cover flood damage, so flood coverage needs a separate NFIP or private flood policy.
In South Carolina, the statewide average premium for a standard HO-3 homeowners policy is $1,753 per year (NAIC, 2023 data).
Key figures
| Median home value | $329,300 |
|---|---|
| Median year built | 2000 |
| Owner-occupied share | 76% |
| Share of owner-occupied homes with a mortgage | 67% |
| Top hazards (FEMA National Risk Index) | Earthquake (Relatively Moderate), Hurricane (Relatively High), Wildfire (Relatively Low) |
| Active NFIP flood policies (county) | 2,974 |
| Home insurance premium | $1,753 - statewide average (NAIC, 2023 data) |
Towns and cities
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)