Selma is located in Guadalupe county Texas with a geographic area of 5.0 square miles. The total population in Selma is 11,241 with 49.2% male and 50.8% female. Children under age 5 represent 9.1% of the population, under age 18 equal 24.7% of the population and over age 65 is 7.0% of the population. The median household income is $84,712, per capita income is $33,588. There are a total of 3,871 housing units with 54.6% owner occupied. Education includes 15.8% of residents that are high school graduates and 38.9% with a bachelor's degree or higher. The average temperature in Selma in the summer is 83 degrees, and in the winter 49 degrees.