There are 13 US Post Offices in Henderson County serving a total of 86,692 residents equating to 6,669 residents per post office. It's estimated that approximately 138,370 packages are handled across the 13 county post offices annually. Henderson County is a county located in the U.S. state of North Carolina. As of the 2010 census, the population was 106,740. Its county seat is Hendersonville. Henderson County is part of the Asheville, NC Metropolitan Statistical Area."