Washington is located in Knox county Maine with a geographic area of square miles. The total population in Washington is 1,567 with 55.5% male and 44.5% female. Children under age 5 represent 5.2% of the population, under age 18 equal 17.5% of the population and over age 65 is 17.7% of the population. The median household income is $49,972, per capita income is $40,669. There are a total of 633 housing units with 93.0% owner occupied. Education includes 31.4% of residents that are high school graduates and 30.6% with a bachelor's degree or higher. The average temperature in Washington in the summer is 68 degrees, and in the winter 25 degrees.
