New haven is located in Franklin county Missouri with a geographic area of 3.2 square miles. The total population in New haven is 2,819 with 53.1% male and 46.9% female. Children under age 5 represent 5.1% of the population, under age 18 equal 28.1% of the population and over age 65 is 13.8% of the population. The median household income is $52,102, per capita income is $27,939. There are a total of 987 housing units with 77.4% owner occupied. Education includes 20.3% of residents that are high school graduates and 24.1% with a bachelor's degree or higher. The average temperature in New haven in the summer is 74 degrees, and in the winter 32 degrees.