Exeter is located in Rockingham county New hampshire with a geographic area of 4.5 square miles. The total population in Exeter is 9,349 with 45.9% male and 54.1% female. Children under age 5 represent 3.5% of the population, under age 18 equal 14.8% of the population and over age 65 is 20.0% of the population. The median household income is $68,984, per capita income is $50,952. There are a total of 4,314 housing units with 65.0% owner occupied. Education includes 26.0% of residents that are high school graduates and 40.5% with a bachelor's degree or higher. The average temperature in Exeter in the summer is 68 degrees, and in the winter 23 degrees.