King of prussia is located in Chester county Pennsylvania with a geographic area of 8.5 square miles. The total population in King of prussia is 22,028 with 50.5% male and 49.5% female. Children under age 5 represent 5.1% of the population, under age 18 equal 17.3% of the population and over age 65 is 16.5% of the population. The median household income is $97,349, per capita income is $50,411. There are a total of 9,765 housing units with 52.7% owner occupied. Education includes 10.8% of residents that are high school graduates and 66.1% with a bachelor's degree or higher. The average temperature in King of prussia in the summer is 73 degrees, and in the winter 33 degrees.