Angleton is located in Brazoria county Texas with a geographic area of 11.7 square miles. The total population in Angleton is 19,371 with 48.9% male and 51.1% female. Children under age 5 represent 4.9% of the population, under age 18 equal 22.5% of the population and over age 65 is 17.0% of the population. The median household income is $67,181, per capita income is $35,189. There are a total of 7,779 housing units with 58.9% owner occupied. Education includes 35.6% of residents that are high school graduates and 18.5% with a bachelor's degree or higher. The average temperature in Angleton in the summer is 82 degrees, and in the winter 49 degrees.