Waukegan is a city located in Lake County, Illinois. With a 2020 population of 85,720, it is the 10th largest city in Illinois and the 404th largest city in the United States. Waukegan is currently declining at a rate of -0.62% annually and its population has decreased by -3.77% since the most recent census, which recorded a population of 89,078 in 2010. Waukegan reached it's highest population of 89,126 in 2010. Spanning over 24 miles, Waukegan has a population density of 3,534 people per square mile.
The average household income in Waukegan is $63,054 with a poverty rate of 17.54%. The median rental costs in recent years comes to $946 per month, and the median house value is $125,500. The median age in Waukegan is 31.7 years, 31 years for males, and 32.6 years for females. For every 100 females there are 101.2 males.