Keller is located in Tarrant county Texas with a geographic area of 18.4 square miles. The total population in Keller is 46,885 with 49.6% male and 50.4% female. Children under age 5 represent 5.3% of the population, under age 18 equal 27.0% of the population and over age 65 is 14.1% of the population. The median household income is $149,342, per capita income is $65,483. There are a total of 16,383 housing units with 82.4% owner occupied. Education includes 11.5% of residents that are high school graduates and 63.7% with a bachelor's degree or higher. The average temperature in Keller in the summer is 83 degrees, and in the winter 49 degrees.