Friendship is located in Knox county Maine with a geographic area of square miles. The total population in Friendship is 1,155 with 45.8% male and 54.2% female. Children under age 5 represent 3.5% of the population, under age 18 equal 17.8% of the population and over age 65 is 33.5% of the population. The median household income is $72,083, per capita income is $39,234. There are a total of 503 housing units with 89.3% owner occupied. Education includes 33.0% of residents that are high school graduates and 44.3% with a bachelor's degree or higher. The average temperature in Friendship in the summer is 68 degrees, and in the winter 25 degrees.