A total of around 2,000 acres were listed for sale in Georgia's Lamar County recently, representing a combined nearly $44 million in Lamar County farmsand rural real estate for sale. Lamar County ranks 100th out of 159 counties in the Peach State for the total number of acres of land currently advertised for sale. Of all farms, rural land, hunting land and other land for sale in Lamar County, Barnesville featured the most land for sale. Government and state-level services are the main economic drivers in Lamar County. Lamar County is the 147th biggest county (185 square miles) in Georgia. It's located in the Historic South Georgia region of the state.