Londonderry is located in New Hampshire. Londonderry, New Hampshire has a population of 25,708. Londonderry is more family-centric than the surrounding county with 35.88% of the households containing married families with children. The county average for households married with children is 30.7%.
The median household income in Londonderry, New Hampshire is $116,286. The median household income for the surrounding county is $101,683 compared to the national median of $69,021. The median age of people living in Londonderry is 42.2 years.
The average high temperature in July is 82.2 degrees, with an average low temperature in January of 13.5 degrees. The average rainfall is approximately 46.2 inches per year, with 57.6 inches of snow per year.
