Northumberland is located in New Hampshire. Northumberland, New Hampshire has a population of 2,374. Northumberland is more family-centric than the surrounding county with 31.92% of the households containing married families with children. The county average for households married with children is 21.42%.
The median household income in Northumberland, New Hampshire is $39,823. The median household income for the surrounding county is $45,386 compared to the national median of $57,652. The median age of people living in Northumberland is 45.1 years.
The average high temperature in July is 78.6 degrees, with an average low temperature in January of 0.1 degrees. The average rainfall is approximately 42 inches per year, with 81.2 inches of snow per year.
