There are 3 US Post Offices in Clarke County serving a total of 81,895 residents equating to 27,298 residents per post office. It's estimated that approximately 130,714 packages are handled across the 3 county post offices annually. Clarke County is a county in the northeastern part of the U.S. state of Georgia. As of the 2010 census, the population was 116,714. Its county seat is Athens, with which it is a consolidated city-county. Clarke County is included in the Athens-Clarke County, GA Metropolitan Statistical Area, which is also included in the Atlanta-Athens-Clarke County-Sandy Springs, GA Combined Statistical Area."