Sumter County, county in South Carolina, United States. As of 2020 county had an estimated population of 106,360 inhabitants. The county was created 222 years ago in 1800. Its county seat is "Sumter".
There are 1 city/town in Sumter County, SC. The largest city of Sumter County is East Sumter with a population of 1,343.
Cities, Towns, Neighborhoods & Other Populated Places in Sumter County.
|East Sumter||Census-designated place in Sumter County, South Carolina||Sumter||1,343|