There are 6 US Post Offices in Wayne County serving a total of 106,164 residents equating to 17,694 residents per post office. It's estimated that approximately 169,450 packages are handled across the 6 county post offices annually. Wayne County is a county located in the U.S. state of North Carolina. As of the 2010 census, the population was 122,623. Its county seat is Goldsboro and it is home to Seymour Johnson Air Force Base. Wayne County comprises the Goldsboro, NC Metropolitan Statistical Area.