Sappington is located in St. louis county Missouri with a geographic area of 2.4 square miles. The total population in Sappington is 7,161 with 47.8% male and 52.2% female. Children under age 5 represent 5.9% of the population, under age 18 equal 22.0% of the population and over age 65 is 23.0% of the population. The median household income is $58,810, per capita income is $38,020. There are a total of 3,209 housing units with 70.3% owner occupied. Education includes 18.7% of residents that are high school graduates and 50.0% with a bachelor's degree or higher. The average temperature in Sappington in the summer is 77 degrees, and in the winter 32 degrees.
