Park Forest is a city located in Cook County Illinois. With a 2020 population of 20,856, it is the 117th largest city in Illinois and the 1792nd largest city in the United States . Park Forest is currently declining at a rate of -0.84% annually and its population has decreased by -5.09% since the most recent census, which recorded a population of 21,975 in 2010. Park Forest reached it's highest population of 30,638 in 1970. Spanning over 5 miles, Park Forest has a population density of 4,204 people per square mile.
The average household income in Park Forest is $62,021 with a poverty rate of 13.43%. The median rental costs in recent years comes to $1,211 per month, and the median house value is $73,600. The median age in Park Forest is 39.3 years, 36.2 years for males, and 42.3 years for females.