Barnwell County is in Midlands South Carolina. Of the 46 counties in the Palmetto State, Barnwell County is 30th in terms of its size (356,647 acres). There is nearly 1,000 acres of farms for sale in South Carolina's Barnwell County based on recent Land Network data. The combined market value of farms and rural land for sale here is $4 million. The average price of farms for sale in Barnwell County was $589,780. Farms for sale in Barnwell County hold livestock including horses, cattle, sheep and goats. 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 business or lifestyle needs.