Andover is located in Sussex county New jersey with a geographic area of 1.3 square miles. The total population in Andover is 675 with 41.0% male and 59.0% female. Children under age 5 represent 2.8% of the population, under age 18 equal 18.1% of the population and over age 65 is 12.6% of the population. The median household income is $64,844, per capita income is $33,107. There are a total of 261 housing units with 59.4% owner occupied. Education includes 19.2% of residents that are high school graduates and 47.9% with a bachelor's degree or higher. The average temperature in Andover in the summer is 73 degrees, and in the winter 34 degrees.
