Chicago is the most populous city in the U.S. state of Illinois and in the Midwestern United States. With a population of 2,746,388, as of the 2020 census, it is the third-most populous city in the United States after New York City and Los Angeles. As the seat of Cook County, the second-most populous county in the U.S., Chicago is the center of the Chicago metropolitan area, often colloquially called "Chicagoland" and home to 9.6 million residents.
AdCreate citations in APA, MLA, andChicagostyle with Grammarly's free citation generator. With just a few clicks, clean up typos, grammatical mistakes, and misplaced punctuation.
50,000 organizations · Over 500K websites & apps · Get tone suggestions
Service catalog: Grammarly Pro, Grammarly for Enterprise, Grammarly for Education