Sullivan is located in New Hampshire. Sullivan, New Hampshire has a population of 650. Sullivan is more family-centric than the surrounding county with 37.85% of the households containing married families with children. The county average for households married with children is 26.09%.
The median household income in Sullivan, New Hampshire is $84,286. The median household income for the surrounding county is $69,360 compared to the national median of $69,021. The median age of people living in Sullivan is 45.6 years.
The average high temperature in July is 79.3 degrees, with an average low temperature in January of 11.5 degrees. The average rainfall is approximately 46.1 inches per year, with 68.8 inches of snow per year.
