Fairfield is located in Jefferson county Alabama with a geographic area of 3.5 square miles. The total population in Fairfield is 10,749 with 45.8% male and 54.2% female. Children under age 5 represent 6.1% of the population, under age 18 equal 20.6% of the population and over age 65 is 13.7% of the population. The median household income is $41,439, per capita income is $21,052. There are a total of 4,372 housing units with 54.3% owner occupied. Education includes 34.8% of residents that are high school graduates and 23.7% with a bachelor's degree or higher. The average temperature in Fairfield in the summer is 79 degrees, and in the winter 43 degrees.
