Stonewall is located in Gillespie county Texas with a geographic area of 15.0 square miles. The total population in Stonewall is 607 with 44.6% male and 55.4% female. Children under age 5 represent 3.6% of the population, under age 18 equal 17.0% of the population and over age 65 is 20.9% of the population. The median household income is $73,750, per capita income is $34,212. There are a total of 190 housing units with 85.8% owner occupied. Education includes 18.4% of residents that are high school graduates and 30.0% with a bachelor's degree or higher. The average temperature in Stonewall in the summer is 83 degrees, and in the winter 49 degrees.
