There was a combined nearly $42 million of farms, rural land, hunting land and other land for sale in Georgia's Decatur County recently on Land.com. The total size of all Decatur County land and rural real estate for sale was approximately 2,000 acres. Decatur County ranks 88th out of 159 counties in Georgia for the total number of acres of land currently advertised for sale. Bainbridge featured the most land for sale. Decatur County is Georgia's 13th biggest county (623 square miles). It's located in the Southern Rivers Georgia region of Georgia.