:Category:Chicago
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Chicago is the third largest city in the United States with an estimated population of 2,744,388 within the city limits in 2020. It is located in the state of Illinois, on the shores of Lake Michigan. The city is the county seat of Cook County.
Category:Cities in Cook County, Illinois
Category:Cities in DuPage County, Illinois
Category:Populated places on the Great Lakes
Category:Wikipedia categories named after populated places in Illinois