Chebeague island is located in Cumberland county Maine with a geographic area of square miles. The total population in Chebeague island is 515 with 49.3% male and 50.7% female. Children under age 5 represent 2.3% of the population, under age 18 equal 17.1% of the population and over age 65 is 41.9% of the population. The median household income is $50,833, per capita income is $45,452. There are a total of 276 housing units with 70.7% owner occupied. Education includes 18.1% of residents that are high school graduates and 56.2% with a bachelor's degree or higher. The average temperature in Chebeague island in the summer is 68 degrees, and in the winter 25 degrees.