McCormick County is in Upstate South Carolina. Of the 46 counties in the Palmetto State, 393-square-mile McCormick County ranks 45th by size. There is about 1,000 acres of residential land for sale in McCormick County, South Carolina, based on recent Land Network data. The combined market value of farms and rural land for sale here is about $11 million. The average price of residential land for sale in McCormick County was $377,954. Browse all residential land and rural property for sale in South Carolina to find residential land and properties that suit your lifestyle needs, from existing residential homes and estates to land ready for future residential-property development.