A total of 6,000 acres were listed for sale in Tattnall County recently, representing a combined nearly $36 million in Tattnall County farmsand rural real estate for sale. Tattnall County ranks 97th in the Peach State for the combined amount of land currently advertised for sale. Glennville had the most land for sale. Government and state-level services are the main economic drivers in Tattnall County. Tattnall County is Georgia's 33rd biggest county (488 square miles). It's located in the Historic South Georgia region of the state.