Washington Park is a city located in Illinois. With a 2020 population of 3,781, it is the 379th largest city in Illinois and the 5562nd largest city in the United States . Washington Park is currently declining at a rate of -1.10% annually and its population has decreased by -9.89% since the most recent census, which recorded a population of 4,196 in 2010. Washington Park reached it's highest population of 9,524 in 1970. Spanning over 3 miles, Washington Park has a population density of 1,500 people per square mile.
The average household income in Washington Park is $27,861 with a poverty rate of 46.03%. The median rental costs in recent years comes to $835 per month, and the median house value is $45,500. The median age in Washington Park is 40.3 years, 40.5 years for males, and 37 years for females.