Land for sale in Fairfield County, South Carolina, recently totaled around $120 million and almost 9,000 acres. Fairfield County ranks 34th in the Palmetto State based on the total acres of land for sale of all the counties in the Palmetto State. There were five properties listed as sold in Fairfield County through the Land Network Comparable Sales Program. This represented a total value of $5,043,072. Of all land and rural real estate for sale in Fairfield County, Ridgeway featured the most land for sale. Fairfield County is the 19th largest county (709 square miles) in South Carolina. It's located in the Midlands South Carolina region of South Carolina.