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Sumter County, South Carolina
Sumter County lies in the Midlands-to-Pee Dee transition zone of central South Carolina, built around the city of Sumter and its historic downtown. Shaw Air Force Base, headquarters of the 9th Air Force, is the county's dominant economic anchor, driving military and civilian housing demand near the base and along the U.S. 521/378 corridors.
Open the live Sumter County map →
Sumter County at a glance
- 105,000Population (2025)
- SumterCounty seat
- 665 sq miLand area
- 158 / sq miDensity
- $57,000Median household income
- $165,000Median home value
What the live Sumter County map shows
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- City Boundaries: 3
- School Boundaries: 1
- Zoning: 18
- Congressional Districts: 4
- Opportunity Zones: 5
- Soils: 124
- State House Districts: 7
- State Senate Districts: 5
- Zip Codes: 22
Cities and towns in Sumter County
Mayesville, Pinewood, Sumter.
Neighboring counties
- Clarendon County, SC · map
- Lee County, SC · map
- Calhoun County, SC · map
- Florence County, SC · map
- Kershaw County, SC · map
- Richland County, SC · map