Of 46 counties in the Palmetto State, Sumter County ranks 23rd by size (682 square miles). Sumter County is in Pee Dee South Carolina. The total value of approximately 1,000 acres of horse properties recently listed for sale in South Carolina's Sumter County was nearly $200,000. Browse all Sumter County horse farms for sale on the Land Network to find the equestrian property that's right for your future needs, whether you're a horse breeder, equestrian business or simply horse lover looking for stable facilities, grooming pens or grazing pasture for your own horses. The most common type of land for sale by combined acreage in Sumter County is residential property.