Grapevine is located in Tarrant county Texas with a geographic area of 32.1 square miles. The total population in Grapevine is 54,151 with 50.1% male and 49.9% female. Children under age 5 represent 5.0% of the population, under age 18 equal 21.4% of the population and over age 65 is 12.1% of the population. The median household income is $94,363, per capita income is $48,814. There are a total of 21,838 housing units with 53.8% owner occupied. Education includes 11.9% of residents that are high school graduates and 53.9% with a bachelor's degree or higher. The average temperature in Grapevine in the summer is 82 degrees, and in the winter 49 degrees.