Stonington is located in Hancock county Maine with a geographic area of square miles. The total population in Stonington is 981 with 47.9% male and 52.1% female. Children under age 5 represent 6.9% of the population, under age 18 equal 16.2% of the population and over age 65 is 31.2% of the population. The median household income is $54,800, per capita income is $34,566. There are a total of 516 housing units with 70.3% owner occupied. Education includes 41.1% of residents that are high school graduates and 19.2% with a bachelor's degree or higher. The average temperature in Stonington in the summer is 68 degrees, and in the winter 25 degrees.