Barnstead is a town in Belknap County, New Hampshire, United States. The population was 4,915 at the 2020 census, up from 4,593 at the 2010 census.United States Census Bureau, American FactFinder, 2010 Census figures. Retrieved March 23, 2011. Home to the Suncook Lakes, Barnstead includes the villages of Center Barnstead, Barnstead Parade (identified as "Barnstead" on topographic maps) and South Barnstead.
