Chicago is the most populous city in the U.S. state of Illinois and the third most populous in the United States after New York City and Los Angeles. With a population of 2,746,388 in the 2020 census, it is also the most populous city in the Midwest. As the seat of Cook County (the second-most populous U.S. county), the city is the center of the Chicago metropolitan area, one of the largest in the world.
Chicago's 58 million tourist visitors in 2018 set a new record. Landmarks in the city include Millennium Park, Navy Pier, the Magnificent Mile, Art Institute of Chicago, Museum Campus, Willis (Sears) Tower, Grant Park, Museum of Science and Industry, and Lincoln Park Zoo. Chicago is also home to the Barack Obama Presidential Center being built in Hyde Park on the city's South Side. Chicago's culture includes the visual arts, literature, film, theater, comedy (especially improvisational comedy), food, dance (including modern dance and jazz troupes and the Joffrey Ballet), and music (particularly jazz, blues, soul, hip-hop, gospel, and electronic dance music, including house music). Chicago is also the location of the Chicago Symphony Orchestra and the Lyric Opera of Chicago. Of the area's colleges and universities, the University of Chicago, Northwestern University, and the University of Illinois Chicago are classified as "highest research" doctoral universities. Chicago has professional sports teams in each of the major professional leagues, including two Major League Baseball teams.
