Chicago metropolitan area

The Chicago metropolitan area, also colloquially referred to as Chicagoland, is the metropolitan area containing the City of Chicago, which includes its surrounding suburbs and satellite cities. Encompassing 10,286 square mi (28,120 km2), the metropolitan area includes the city of Chicago, its suburbs and hinterland, that span 14 counties across northeast Illinois, northwest Indiana, and southeast Wisconsin. The MSA had a 2020 census population of 9,618,502 and the combined statistical area which spans up to 19 counties had a population of nearly 10 million people. The Chicago area is the fifth largest metropolitan area in North America (after the metro areas of Mexico City, New York City, Los Angeles, and Washington), the fourth-largest metropolitan area in the United States, the largest within the entire Midwest, and the largest in the Great Lakes megalopolis. Its urban area is one of the forty largest in the world.