Hampton Falls (formerly the Third Parish and Hampton falls) is a New England town in Rockingham County, New Hampshire, United States. The town was settled in 1638, was a part of Norfolk County, Massachusetts Colony from 1643 to 1679, and became a town in 1726. The population was 1,890 at the 2000 census. The New Hampshire Office of Energy and Planning estimated the town's 2007 population at 2,080.