Colleyville is located in Tarrant county Texas with a geographic area of 13.1 square miles. The total population in Colleyville is 26,766 with 52.2% male and 47.8% female. Children under age 5 represent 5.0% of the population, under age 18 equal 23.7% of the population and over age 65 is 18.2% of the population. The median household income is $171,485, per capita income is $77,831. There are a total of 9,249 housing units with 95.9% owner occupied. Education includes 8.0% of residents that are high school graduates and 68.2% with a bachelor's degree or higher. The average temperature in Colleyville in the summer is 82 degrees, and in the winter 49 degrees.