Fairfield is located in Adams county Pennsylvania with a geographic area of 0.7 square miles. The total population in Fairfield is 675 with 47.1% male and 52.9% female. Children under age 5 represent 4.3% of the population, under age 18 equal 24.4% of the population and over age 65 is 26.4% of the population. The median household income is $56,042, per capita income is $23,545. There are a total of 254 housing units with 67.3% owner occupied. Education includes 35.4% of residents that are high school graduates and 19.7% with a bachelor's degree or higher. The average temperature in Fairfield in the summer is 73 degrees, and in the winter 33 degrees.
