Sumter County is in Pee Dee South Carolina. Of the 46 counties in the state, Sumter County is 23rd in terms of its size (682 square miles). The total value of about 1,000 acres of residential land and property recently listed for sale in South Carolina's Sumter County was nearly $57 million. The average price of residential acreage for sale in Sumter County was $273,696. Browse all residential land and rural property for sale in South Carolina to find residential land and properties that suit your lifestyle needs, from existing residential homes and estates to land ready for future residential-property development.