Londonderry is located in Rockingham County, NH. The population is , making Londonderry the 3rd largest city in Rockingham County.
There are 6 public schools in Londonderry with an average Homefacts rating of B. The total crime rate for Londonderry is very low , and there are 20 registered sex offenders residing in the city. Unemployment in Londonderry is low and the median home sales price is $0. Detailed and up-to-date Londonderry property reports are available for any property address.
Cities near Londonderry include Litchfield, East Merrimack and Derry.