Hanover is located in Oxford county Maine with a geographic area of square miles. The total population in Hanover is 259 with 48.3% male and 51.7% female. Children under age 5 represent 5.4% of the population, under age 18 equal 16.2% of the population and over age 65 is 17.8% of the population. The median household income is $0, per capita income is $86,717. There are a total of 139 housing units with 95.0% owner occupied. Education includes 33.8% of residents that are high school graduates and 31.7% with a bachelor's degree or higher. The average temperature in Hanover in the summer is 68 degrees, and in the winter 25 degrees.