Land for sale in Tennessee's McMinn County recently totaled approximately $146 million and almost 5,000 acres. McMinn County ranks 19th out of 95 counties in Tennessee for the total acreage of land currently advertised for sale. Of all farms and rural land for sale in McMinn County, Athens featured the most land for sale. Manufacturing and related services are the largest economic sectors in McMinn County. McMinn County is the 55th biggest county (432 square miles) in Tennessee. It's located in the East Central Tennessee region of the state.