Bath is a town in Beaufort County, North Carolina, United States. The population was 249 at the 2010 census. Incorporated in 1705, Bath was North Carolina's first port of entry, located on the Pamlico River near its mouth. It developed a trade in naval stores, furs, and tobacco.Bath is North Carolina's oldest town, celebrating its 300th anniversary in 2005. Located in the coastal plain region, it is near Pamlico Sound, a destination for sport fishing and commercial harvest of fish, shrimp, and crab.