Andover is located in Essex county Massachusetts with a geographic area of 3.7 square miles. The total population in Andover is 8,821 with 46.4% male and 53.6% female. Children under age 5 represent 3.9% of the population, under age 18 equal 15.3% of the population and over age 65 is 18.9% of the population. The median household income is $113,684, per capita income is $64,155. There are a total of 3,430 housing units with 71.7% owner occupied. Education includes 7.1% of residents that are high school graduates and 73.1% with a bachelor's degree or higher. The average temperature in Andover in the summer is 70 degrees, and in the winter 30 degrees.
