South Chicago Heights is a city located in Illinois. With a 2020 population of 3,939, it is the 373rd largest city in Illinois and the 5462nd largest city in the United States . South Chicago Heights is currently declining at a rate of -0.81% annually and its population has decreased by -4.83% since the most recent census, which recorded a population of 4,139 in 2010. South Chicago Heights reached it's highest population of 4,923 in 1970. Spanning over 2 miles, South Chicago Heights has a population density of 2,492 people per square mile.
The average household income in South Chicago Heights is $48,734 with a poverty rate of 24.19%. The median rental costs in recent years comes to $1,046 per month, and the median house value is $103,200. The median age in South Chicago Heights is 34.8 years, 36.9 years for males, and 32.4 years for females.