Liberty hill is located in Williamson county Texas with a geographic area of 4.6 square miles. The total population in Liberty hill is 4,633 with 42.7% male and 57.3% female. Children under age 5 represent 9.8% of the population, under age 18 equal 29.5% of the population and over age 65 is 8.1% of the population. The median household income is $57,258, per capita income is $21,629. There are a total of 1,244 housing units with 56.1% owner occupied. Education includes 36.4% of residents that are high school graduates and 21.2% with a bachelor's degree or higher. The average temperature in Liberty hill in the summer is 83 degrees, and in the winter 49 degrees.