Waukegan is the largest city in, and the county seat of Lake County, Illinois, United States. Situated approximately 41 miles north of Downtown Chicago on the shores of Lake Michigan, the city is located within the Chicago Metropolitan Area. As of the 2020 census, the population of the city was 89,321, making it the tenth most populous city in Illinois. Waukegan has a significant working-class population, as well as some poor areas within the city. Additionally, there is also a considerably sized middle-class community within the city.