Burlington is located in Des moines county Iowa with a geographic area of 14.4 square miles. The total population in Burlington is 24,858 with 48.2% male and 51.8% female. Children under age 5 represent 5.7% of the population, under age 18 equal 23.4% of the population and over age 65 is 20.8% of the population. The median household income is $46,707, per capita income is $29,591. There are a total of 11,096 housing units with 64.7% owner occupied. Education includes 32.0% of residents that are high school graduates and 18.5% with a bachelor's degree or higher. The average temperature in Burlington in the summer is 72 degrees, and in the winter 23 degrees.