Belton is located in Bell county Texas with a geographic area of 20.2 square miles. The total population in Belton is 22,173 with 44.3% male and 55.7% female. Children under age 5 represent 8.3% of the population, under age 18 equal 30.3% of the population and over age 65 is 10.5% of the population. The median household income is $49,617, per capita income is $27,047. There are a total of 7,453 housing units with 49.0% owner occupied. Education includes 21.2% of residents that are high school graduates and 31.5% with a bachelor's degree or higher. The average temperature in Belton in the summer is 82 degrees, and in the winter 49 degrees.