Deer park is located in Harris county Texas with a geographic area of 10.5 square miles. The total population in Deer park is 33,599 with 51.2% male and 48.8% female. Children under age 5 represent 6.2% of the population, under age 18 equal 25.3% of the population and over age 65 is 15.3% of the population. The median household income is $75,838, per capita income is $33,824. There are a total of 11,637 housing units with 73.8% owner occupied. Education includes 24.4% of residents that are high school graduates and 23.6% with a bachelor's degree or higher. The average temperature in Deer park in the summer is 83 degrees, and in the winter 49 degrees.