Charlestown is located in Sullivan County, NH. The population is , making Charlestown the 3rd largest city in Sullivan County.
There are 3 public schools in Charlestown with an average Homefacts rating of C. The total crime rate for Charlestown is very low , and there are 18 registered sex offenders residing in the city. Unemployment in Charlestown is low and the median home sales price is $0. Detailed and up-to-date Charlestown property reports are available for any property address.
Cities near Charlestown include Langdon, Acworth and Springfield.