South chicago heights is located in Cook county Illinois with a geographic area of 1.6 square miles. The total population in South chicago heights is 4,042 with 41.7% male and 58.3% female. Children under age 5 represent 12.2% of the population, under age 18 equal 33.7% of the population and over age 65 is 15.1% of the population. The median household income is $45,321, per capita income is $19,323. There are a total of 1,560 housing units with 68.4% owner occupied. Education includes 32.9% of residents that are high school graduates and 7.3% with a bachelor's degree or higher. The average temperature in South chicago heights in the summer is 74 degrees, and in the winter 27 degrees.