Cumberland is located in Cumberland county Maine with a geographic area of square miles. The total population in Cumberland is 8,144 with 49.6% male and 50.4% female. Children under age 5 represent 6.9% of the population, under age 18 equal 27.6% of the population and over age 65 is 17.2% of the population. The median household income is $115,898, per capita income is $59,619. There are a total of 2,920 housing units with 83.5% owner occupied. Education includes 10.6% of residents that are high school graduates and 70.0% with a bachelor's degree or higher. The average temperature in Cumberland in the summer is 68 degrees, and in the winter 25 degrees.