Overland park is located in Johnson county Kansas with a geographic area of 75.2 square miles. The total population in Overland park is 193,412 with 49.4% male and 50.6% female. Children under age 5 represent 5.7% of the population, under age 18 equal 22.9% of the population and over age 65 is 15.4% of the population. The median household income is $87,629, per capita income is $49,406. There are a total of 79,894 housing units with 63.0% owner occupied. Education includes 9.9% of residents that are high school graduates and 63.8% with a bachelor's degree or higher. The average temperature in Overland park in the summer is 77 degrees, and in the winter 32 degrees.