Fairfield is located in Somerset county Maine with a geographic area of 1.8 square miles. The total population in Fairfield is 2,298 with 48.0% male and 52.0% female. Children under age 5 represent 4.4% of the population, under age 18 equal 13.0% of the population and over age 65 is 14.4% of the population. The median household income is $28,000, per capita income is $22,015. There are a total of 1,124 housing units with 47.8% owner occupied. Education includes 54.4% of residents that are high school graduates and 5.2% with a bachelor's degree or higher. The average temperature in Fairfield in the summer is 68 degrees, and in the winter 25 degrees.