Gilsum is located in New Hampshire. Gilsum, New Hampshire has a population of 757. Gilsum is less family-centric than the surrounding county with 23% households with children. The county percentage for households with children is 24%.
The median household income in Gilsum, New Hampshire is $72,900. The median household income for the surrounding county is $67,160 compared to the national median of $66,222. The median age of people living in Gilsum is 49.4 years.
The average high temperature in July is 80.17 degrees, with an average low temperature in January of 7.48 degrees. The annual precipitation is 41.84.