City in DuPage County, Cook County, Illinois, United States of America, North America

Chicago, a city located primarily in Cook County, Illinois (with a small portion in DuPage County), had a population of 2,665,039 in 2022. The median age in 2021 was 35.1 years, with a median income of $36,261. In 2023, Chicago's unemployment rate stood at 4.9%. Additionally, in 2021, 34.1% of the population was classified as obese, 16.5% reported binge drinking, and 15.1% were smokers.