Hanover is located in Grafton county New hampshire with a geographic area of 4.5 square miles. The total population in Hanover is 8,744 with 47.4% male and 52.6% female. Children under age 5 represent 1.9% of the population, under age 18 equal 9.1% of the population and over age 65 is 14.9% of the population. The median household income is $79,844, per capita income is $40,406. There are a total of 2,066 housing units with 50.0% owner occupied. Education includes 1.5% of residents that are high school graduates and 85.5% with a bachelor's degree or higher. The average temperature in Hanover in the summer is 68 degrees, and in the winter 23 degrees.
