Sumter County is in Pee Dee South Carolina. Of the 46 counties in the state, 682-square-mile Sumter County ranks 23rd by size. The total value of approximately 2,000 acres of farms recently listed for sale in Sumter County, South Carolina, was nearly $12 million. The average price of farms for sale in Sumter County was $2 million. Browse all South Carolina farms for sale on the Land Network to find the farm, cattle operation, hobby farm or other farm property that's right for your future commercial or individual needs.