Sunapee is located in Sullivan county New hampshire with a geographic area of square miles. The total population in Sunapee is 3,476 with 54.3% male and 45.7% female. Children under age 5 represent 3.3% of the population, under age 18 equal 16.1% of the population and over age 65 is 27.8% of the population. The median household income is $72,539, per capita income is $38,884. There are a total of 1,273 housing units with 75.5% owner occupied. Education includes 18.6% of residents that are high school graduates and 55.1% with a bachelor's degree or higher. The average temperature in Sunapee in the summer is 68 degrees, and in the winter 23 degrees.
