Farmington is located in St. francois county Missouri with a geographic area of 9.5 square miles. The total population in Farmington is 18,792 with 54.5% male and 45.5% female. Children under age 5 represent 4.3% of the population, under age 18 equal 20.0% of the population and over age 65 is 17.8% of the population. The median household income is $44,093, per capita income is $21,302. There are a total of 6,586 housing units with 53.9% owner occupied. Education includes 30.3% of residents that are high school graduates and 20.7% with a bachelor's degree or higher. The average temperature in Farmington in the summer is 75 degrees, and in the winter 32 degrees.
