There are 8 US Post Offices in Rockingham County serving a total of 99,456 residents equating to 12,432 residents per post office. It's estimated that approximately 158,743 packages are handled across the 8 county post offices annually. Rockingham County is a county located in the U.S. state of North Carolina. As of the 2010 census, the population was 93,643. Its county seat is Wentworth. The county is known as \"North Carolina's North Star.\" Rockingham County is included in the Greensboro-High Point, NC Metropolitan Statistical Area, which is also included in the Greensboro-Winston-Salem-High Point, NC Combined Statistical Area."