Calais is located in Washington county Maine with a geographic area of 34.3 square miles. The total population in Calais is 3,011 with 48.0% male and 52.0% female. Children under age 5 represent 6.9% of the population, under age 18 equal 15.7% of the population and over age 65 is 31.7% of the population. The median household income is $34,844, per capita income is $26,180. There are a total of 1,666 housing units with 70.7% owner occupied. Education includes 37.4% of residents that are high school graduates and 20.1% with a bachelor's degree or higher. The average temperature in Calais in the summer is 65 degrees, and in the winter 25 degrees.
