Andover is located in Merrimack county New hampshire with a geographic area of square miles. The total population in Andover is 2,720 with 55.1% male and 44.9% female. Children under age 5 represent 2.8% of the population, under age 18 equal 21.1% of the population and over age 65 is 21.3% of the population. The median household income is $77,059, per capita income is $34,023. There are a total of 1,004 housing units with 86.7% owner occupied. Education includes 26.4% of residents that are high school graduates and 36.0% with a bachelor's degree or higher. The average temperature in Andover in the summer is 68 degrees, and in the winter 23 degrees.
