Londonderry is located in New Hampshire. Londonderry, New Hampshire has a population of 27,945. Londonderry is more family-centric than the surrounding county with 34% households with children. The county percentage for households with children is 27%.
The median household income in Londonderry, New Hampshire is $109,715. The median household income for the surrounding county is $97,109 compared to the national median of $66,222. The median age of people living in Londonderry is 44.6 years.
The average high temperature in July is 82.27 degrees, with an average low temperature in January of 8.1 degrees. The annual precipitation is 42.18.