There are 2 US Post Offices in Swain County serving a total of 16,734 residents equating to 8,367 residents per post office. It's estimated that approximately 26,709 packages are handled across the 2 county post offices annually. Swain County is a county located in the western portion of the U.S. state of North Carolina. As of the 2010 census, the population was 13,981. Its county seat is Bryson City. Swain County is home of the Nantahala River (along with Macon County, North Carolina). The Nantahala is one of the most popular whitewater rafting rivers in the nation. In 2010, it was announced that the Nantahala River would host the 2013 World Freestyle Kayaking Championships. The Oconaluftee River also flows through Swain County in the town of Cherokee."