Sumter County is in Pee Dee South Carolina. Of the 46 counties in the Palmetto State, Sumter County ranks 23rd in terms of size (436,534 acres). Recent listings of residential land and property for sale in Sumter County, South Carolina, totals nearly 1,000 acres and a combined market value of $67 million. The most common type of land for sale by combined acreage in Sumter County is residential property. The average price of residential acreage for sale in Sumter County was $310,751. 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.