Chicago, IL

Chicago listen, locally also , officially the City of Chicago, is the most populous city in Illinois, as well as the third most populous city in the United States. With an estimated population of 2,705,994 2018, it is the most populous city in the Midwest. Chicago is the county seat of Cook County, the second most populous county in the United States, and portions of the city extend westward into neighboring DuPage County. It is the principal city of the Chicago metropolitan area, often referred to as Chicagoland. Source: Wikipedia