There are 2 US Post Offices in Appling County serving a total of 17,408 residents equating to 8,704 residents per post office. It's estimated that approximately 27,785 packages are handled across the 2 county post offices annually. Appling County is a county located in the U.S. state of Georgia. As of the 2010 census, the population was 18,236. The county seat is Baxley."