There was a total of $183 million of farms and rural land for sale in Richland County, South Carolina, recently on Land.com. The total of all Richland County land and rural real estate for sale was nearly 4,000 acres. Richland County ranks 17th out of 46 counties in the Palmetto State for the total acreage of land currently advertised for sale. Blythewood featured the most land for sale. From an economic perspective, government and state-level services contribute most to Richland County's overall GDP. Richland County is the 14th biggest county (771 square miles) in South Carolina. It's located in the Midlands South Carolina region of South Carolina.