Fredericktown is located in Madison county Missouri with a geographic area of 4.3 square miles. The total population in Fredericktown is 4,006 with 50.8% male and 49.2% female. Children under age 5 represent 5.2% of the population, under age 18 equal 18.8% of the population and over age 65 is 16.9% of the population. The median household income is $37,115, per capita income is $22,670. There are a total of 1,740 housing units with 57.8% owner occupied. Education includes 34.5% of residents that are high school graduates and 16.0% with a bachelor's degree or higher. The average temperature in Fredericktown in the summer is 75 degrees, and in the winter 32 degrees.