Grand prairie is located in Dallas county Texas with a geographic area of 72.6 square miles. The total population in Grand prairie is 193,835 with 48.7% male and 51.3% female. Children under age 5 represent 6.8% of the population, under age 18 equal 28.5% of the population and over age 65 is 10.1% of the population. The median household income is $69,171, per capita income is $27,520. There are a total of 62,679 housing units with 61.3% owner occupied. Education includes 24.6% of residents that are high school graduates and 27.7% with a bachelor's degree or higher. The average temperature in Grand prairie in the summer is 83 degrees, and in the winter 49 degrees.