Webster groves is located in St. louis county Missouri with a geographic area of 5.9 square miles. The total population in Webster groves is 22,906 with 44.3% male and 55.7% female. Children under age 5 represent 6.7% of the population, under age 18 equal 23.0% of the population and over age 65 is 18.3% of the population. The median household income is $94,479, per capita income is $50,297. There are a total of 9,239 housing units with 73.7% owner occupied. Education includes 9.0% of residents that are high school graduates and 68.3% with a bachelor's degree or higher. The average temperature in Webster groves in the summer is 77 degrees, and in the winter 32 degrees.