South holland is located in Cook county Illinois with a geographic area of 7.2 square miles. The total population in South holland is 21,451 with 44.9% male and 55.1% female. Children under age 5 represent 4.9% of the population, under age 18 equal 23.0% of the population and over age 65 is 16.7% of the population. The median household income is $66,859, per capita income is $28,649. There are a total of 7,418 housing units with 85.4% owner occupied. Education includes 24.9% of residents that are high school graduates and 33.2% with a bachelor's degree or higher. The average temperature in South holland in the summer is 74 degrees, and in the winter 27 degrees.
