Texarkana is located in Bowie county Texas with a geographic area of 31.4 square miles. The total population in Texarkana is 36,733 with 47.3% male and 52.7% female. Children under age 5 represent 7.4% of the population, under age 18 equal 24.9% of the population and over age 65 is 16.5% of the population. The median household income is $46,408, per capita income is $29,292. There are a total of 14,148 housing units with 52.3% owner occupied. Education includes 25.9% of residents that are high school graduates and 26.7% with a bachelor's degree or higher. The average temperature in Texarkana in the summer is 81 degrees, and in the winter 49 degrees.