Of 46 counties in the Palmetto State, Fairfield County ranks 19th by size (709 square miles). Fairfield County is in Midlands South Carolina. The total value of roughly 2,000 acres of ranches recently listed for sale in South Carolina's Fairfield County was almost $8 million. Browse all Fairfield County ranches for sale on the Land Network to find the ranch that's right for your business or commercial needs, from the sprawling legacy ranch to unbelievable residential ranch for your second home, investment property or retirement nest egg. The most common type of land for sale by combined acreage in Fairfield County is undeveloped land.