There are 7 US Post Offices in Halifax County serving a total of 49,770 residents equating to 7,110 residents per post office. It's estimated that approximately 79,438 packages are handled across the 7 county post offices annually. Halifax County is a county located in the U.S. state of North Carolina. As of the 2010 census, the population was 54,691. Its county seat is Halifax. Halifax County is part of the Roanoke Rapids, NC Micropolitan Statistical Area, which is also included in the Rocky Mount-Wilson-Roanoke Rapids, NC Combined Statistical Area."