About North Chicago
North Chicago is the second most populated city in Lake County, Illinois, USA. The population was 30,759 people at the 2020 census. The city is also a suburb of the Chicago metropolitan area and is a major industrial center, which is significantly reflected within the landscape.
North Chicago is also a great medical center, as Rosalind Franklin University of Medicine and Science, which houses many medical schools and colleges, is located here. The city has a total area of 7.915 square miles, 0.19% of which is water, and the rest is land.