Derry is a town in Rockingham County, New Hampshire, United States. The population was 33,109 at the 2010 census. Although it is a town and not a city, Derry is the fourth most-populous community in the state.
Derry is a town in Rockingham County, New Hampshire, United States. The population was 33,109 at the 2010 census. Although it is a town and not a city, Derry is the fourth most-populous community in the state.