New haven is located in New haven county Connecticut with a geographic area of 18.7 square miles. The total population in New haven is 130,381 with 46.6% male and 53.4% female. Children under age 5 represent 6.5% of the population, under age 18 equal 22.6% of the population and over age 65 is 10.9% of the population. The median household income is $44,507, per capita income is $27,607. There are a total of 49,051 housing units with 28.0% owner occupied. Education includes 27.7% of residents that are high school graduates and 38.4% with a bachelor's degree or higher. The average temperature in New haven in the summer is 70 degrees, and in the winter 27 degrees.