Chicago metropolitan area
The Chicago metropolitan area, also referred to as Chicagoland, has one of the 40 largest urban areas in the world. encompassing 10,286 sq mi (28,120 sq km) Chicagoland include the city of Chicago (3rd most Populous city in the United States,) and its suburbs, spanning 16 counties in northeast Illinois, southeast Wisconsin, and northwest Indiana. The MSA had a 2020 population of 9.7 million people and the CSA was estimated at nearly 10 million people. The Chicago area is the third-largest metropolitan area and the third-largest Combined Statistical Area in the United States, as well as the fourth-largest metropolitan area in North America. Chicagoland is in the Great Lakes Megalopolis region.
Chicagoland / Chicago Metropolitian Area
Chicago–Naperville–Elgin, IL–IN–WI MSA
|• Metro||10,856 sq mi (28,120 km2)|
|Highest elevation||673 ft (205 m)|
|Lowest elevation||579 ft (176 m)|
| • Metropolitan region |
combined statistical area
|• Density||1,318/sq mi (509/km2)|
|Ranked 3rd in the US|
|Time zone||UTC−6 (CST)|
|• Summer (DST)||UTC−5 (CDT)|
|Area codes||219, 224/847, 262, 312/872, 331/630, 574, 708, 773/872 and 779/815|
Chicagoland's population decreased before the 2010 census, but has now started to increase according to the 2020 Census towards the 10 million people mark. Chicagoland has seen an increase of Latin American residents, and the Asian American population also increased according to the 2020 Census. Chicagoland accounts to about 3 percent of the United States population.
The Chicago metropolitan area has one of the world's largest and most diversified economies. It is a key factor of the Illinois economy with more than six million full and part-time employees, and generating an annual gross regional product (GRP) of $689 billion in 2018. The region is home to more than 400 major corporate headquarters, including 31 in the Fortune 500 such as McDonald's, Boeing, United etc. For six consecutive years, Chicagoland was ranked the nation's top metropolitan area for corporate relocation.
The Chicago area is home to a number of the nation's leading research universities including the University of Chicago, Northwestern University, University of Illinois at Chicago, DePaul University, Loyola University and Illinois Institute of Technology. The University of Chicago is ranked one of the best universities in the world.
Chicagoland has many transportation options around the area. The Chicago Transit Authority serves primarily the city proper, and Metra, Amtrak, the South Shore line and others provide commuter services around Chicagoland