Fenton is located in St. louis county Missouri with a geographic area of 6.2 square miles. The total population in Fenton is 4,033 with 50.7% male and 49.3% female. Children under age 5 represent 5.4% of the population, under age 18 equal 20.1% of the population and over age 65 is 20.3% of the population. The median household income is $94,826, per capita income is $45,018. There are a total of 1,501 housing units with 91.4% owner occupied. Education includes 10.5% of residents that are high school graduates and 50.4% with a bachelor's degree or higher. The average temperature in Fenton in the summer is 77 degrees, and in the winter 32 degrees.
