Sumter County is in Pee Dee South Carolina. Of the 46 counties in the Palmetto State, 436,534-acre Sumter County ranks 23rd by size. A recent survey of Land Network data includes 2,000 acres of farms for sale in South Carolina's Sumter County, which is valued at a combined $11 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 lifestyle needs.