Appleton is located in Knox county Maine with a geographic area of square miles. The total population in Appleton is 1,421 with 44.3% male and 55.7% female. Children under age 5 represent 2.4% of the population, under age 18 equal 16.7% of the population and over age 65 is 28.4% of the population. The median household income is $50,795, per capita income is $29,247. There are a total of 653 housing units with 83.2% owner occupied. Education includes 35.2% of residents that are high school graduates and 29.2% with a bachelor's degree or higher. The average temperature in Appleton in the summer is 68 degrees, and in the winter 25 degrees.