Northumberland is located in New Hampshire. Northumberland, New Hampshire has population of 2,141. Northumberland is more family-centric than the surrounding county with 26% of the households with children.
The median household income in Northumberland, New Hampshire is $46,335. The median household income for the surrounding county is $48,941 compared to the national median of $66,222. The median age of people living in Northumberland is 45.5 years.
The average high temperature in July is 78.77 degrees, with an average low temperature in January of 0.4 degrees. The annual precipitation is 38.71.
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