Parker is located in Douglas county Colorado with a geographic area of 22.3 square miles. The total population in Parker is 55,460 with 49.9% male and 50.1% female. Children under age 5 represent 7.0% of the population, under age 18 equal 29.4% of the population and over age 65 is 8.9% of the population. The median household income is $114,802, per capita income is $45,720. There are a total of 18,944 housing units with 76.0% owner occupied. Education includes 11.0% of residents that are high school graduates and 56.4% with a bachelor's degree or higher. The average temperature in Parker in the summer is 68 degrees, and in the winter 29 degrees.