City profile
Summerville, SC
Dorchester County · Population 51,654
Summerville is a city in Dorchester County, SC with about 51,654 residents and a typical home value near $328,000. It is 20 miles from Charleston, SC, which shapes its climate, healthcare access and amenities.
Climate
Climate type
Humid subtropical
Winter avg
51°F
Summer avg
82°F
Sunny days / yr
230
Home prices & cost of living
Median home price
$328,100
Typical monthly housing
$1,933
Cost of living (100 = U.S.)
99
Taxes
- Property tax
- 0.55%
- State income tax (top)
- 6.2%
- Social Security
- Not taxed
- Pensions
- Partly exempt
- Sales tax (state + avg. local)
- 7.50%
FEMA natural hazard risk
Relatively Moderate · county score 94/100
Top hazards: Earthquake, Hurricane, Ice storm
Nearest major airport
11 mi to Charleston International Airport (CHS)
Political lean (2024 county vote)
Leans Republican · 42% Democratic / 56% Republican
Community
Population
51,654
Black population
19.9%
County
Dorchester County
Detailed crime figures are available for our 201 hand-researched cities.
2025–2026 trends
2026 market trends
- ▸SC is gaining retirees — a sign of strong retiree services and community
- ▸Climate/cost risks to check: hurricanes (coast)
Highlights
- About 51,654 residents
- Typical home value about $328,000
- 20 miles from Charleston, SC
Trade-offs
- Scores for this place are estimated from Census data and the nearest major city
Figures are estimates from public sources (see How we match). Verify before making decisions.