Mathis is located in San patricio county Texas with a geographic area of 3.3 square miles. The total population in Mathis is 4,759 with 55.7% male and 44.3% female. Children under age 5 represent 7.0% of the population, under age 18 equal 27.0% of the population and over age 65 is 15.4% of the population. The median household income is $29,081, per capita income is $15,571. There are a total of 1,784 housing units with 55.5% owner occupied. Education includes 24.0% of residents that are high school graduates and 1.6% with a bachelor's degree or higher. The average temperature in Mathis in the summer is 83 degrees, and in the winter 49 degrees.