Lewisville is located in Denton county Texas with a geographic area of 37.0 square miles. The total population in Lewisville is 107,740 with 49.0% male and 51.0% female. Children under age 5 represent 6.9% of the population, under age 18 equal 24.1% of the population and over age 65 is 8.3% of the population. The median household income is $67,026, per capita income is $32,266. There are a total of 39,664 housing units with 42.5% owner occupied. Education includes 19.9% of residents that are high school graduates and 37.1% with a bachelor's degree or higher. The average temperature in Lewisville in the summer is 83 degrees, and in the winter 49 degrees.