Desoto is located in Dallas county Texas with a geographic area of 21.6 square miles. The total population in Desoto is 53,170 with 44.3% male and 55.7% female. Children under age 5 represent 5.8% of the population, under age 18 equal 25.0% of the population and over age 65 is 14.2% of the population. The median household income is $71,124, per capita income is $31,331. There are a total of 19,041 housing units with 64.6% owner occupied. Education includes 18.0% of residents that are high school graduates and 30.3% with a bachelor's degree or higher. The average temperature in Desoto in the summer is 83 degrees, and in the winter 49 degrees.