Manchester is located in St. louis county Missouri with a geographic area of 5.0 square miles. The total population in Manchester is 18,102 with 50.1% male and 49.9% female. Children under age 5 represent 6.2% of the population, under age 18 equal 24.9% of the population and over age 65 is 15.3% of the population. The median household income is $78,381, per capita income is $42,412. There are a total of 7,430 housing units with 73.8% owner occupied. Education includes 11.5% of residents that are high school graduates and 63.3% with a bachelor's degree or higher. The average temperature in Manchester in the summer is 77 degrees, and in the winter 32 degrees.
