There are 5 US Post Offices in Pike County serving a total of 18,508 residents equating to 3,702 residents per post office. It's estimated that approximately 29,541 packages are handled across the 5 county post offices annually. Pike County is a county located in the west central portion of the U.S. state of Georgia. As of the 2010 census, the population was 17,869. The county seat is Zebulon. Pike County is part of the Atlanta-Sandy Springs-Roswell, GA Metropolitan Statistical Area."