New Castle is located in Rockingham County, NH. The population is NR.
There are 1 public schools in New Castle with an average Homefacts rating of A+. The total crime rate for New Castle is very low , and there are 0 registered sex offenders residing in the city. Unemployment in New Castle is low and the median home sales price is $0. Detailed and up-to-date New Castle property reports are available for any property address.
Cities near New Castle include Rye, Kittery Point and Portsmouth.