Northumberland is located in New Hampshire. Northumberland, New Hampshire has a population of 1,829. Northumberland is more family-centric than the surrounding county with 24.39% of the households containing married families with children. The county average for households married with children is 21.71%.
The median household income in Northumberland, New Hampshire is $50,417. The median household income for the surrounding county is $52,054 compared to the national median of $69,021. The median age of people living in Northumberland is 48.1 years.
The average high temperature in July is 78.6 degrees, with an average low temperature in January of 1.3 degrees. The average rainfall is approximately 39.4 inches per year, with 77.4 inches of snow per year.
