West lake hills is located in Travis county Texas with a geographic area of 3.6 square miles. The total population in West lake hills is 3,302 with 47.4% male and 52.6% female. Children under age 5 represent 1.5% of the population, under age 18 equal 26.5% of the population and over age 65 is 26.7% of the population. The median household income is $208,641, per capita income is $101,587. There are a total of 1,193 housing units with 89.1% owner occupied. Education includes 1.1% of residents that are high school graduates and 89.9% with a bachelor's degree or higher. The average temperature in West lake hills in the summer is 83 degrees, and in the winter 49 degrees.