North haven is located in New haven county Connecticut with a geographic area of 20.8 square miles. The total population in North haven is 23,665 with 48.9% male and 51.1% female. Children under age 5 represent 3.4% of the population, under age 18 equal 18.6% of the population and over age 65 is 22.9% of the population. The median household income is $104,812, per capita income is $50,363. There are a total of 9,159 housing units with 82.6% owner occupied. Education includes 26.6% of residents that are high school graduates and 51.5% with a bachelor's degree or higher. The average temperature in North haven in the summer is 68 degrees, and in the winter 27 degrees.
