Fairfield is located in Solano county California with a geographic area of 41.6 square miles. The total population in Fairfield is 116,544 with 49.3% male and 50.7% female. Children under age 5 represent 7.3% of the population, under age 18 equal 25.0% of the population and over age 65 is 13.1% of the population. The median household income is $86,204, per capita income is $35,094. There are a total of 36,843 housing units with 59.0% owner occupied. Education includes 19.6% of residents that are high school graduates and 29.3% with a bachelor's degree or higher. The average temperature in Fairfield in the summer is 72 degrees, and in the winter 43 degrees.
