Sumter County
Also known as Sumter County, South Carolina, Sumter County, SC
county in South Carolina, United States
Key facts
- Country
- United States
- State
- South Carolina
- Founded
- January 1, 1800
- Named after
- Thomas Sumter
- Seat
- Sumter
- Largest community
- Sumter
- Total
- 682.09 sq mi (1,766.6 km )
- Land
- 665.08 sq mi (1,722.5 km )
- Water
- 17.01 sq mi (44.1 km ) 2.49%
- Estimate 2025
- 105,067
- Density
- 158.71/sq mi (61.279/km )
- Time zone
- UTC−5 ( Eastern )
- Summer dst
Article
Sumter County is a county located in the U.S. state of South Carolina. As of the 2020 census, the population was 105,556. Its county seat is Sumter. Sumter County comprises the Sumter, SC Metropolitan Statistical Area, which is also included in the Columbia-Sumter-Orangeburg, SC Combined Statistical Area. The county is also part of "The Midlands" area.
It is the home of Shaw AFB, headquarters to the 9th Air Force, AFCENT, United States Army Central, with a number of other tenant units. It is one of largest bases in the USAF's Air Combat Command.