- published: 14 Mar 2016
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The Chicago metropolitan area, or Chicagoland as it is commonly called within the area, is the metropolitan area associated with the city of Chicago, Illinois and its suburbs. It is the area that is closely linked to the city through social, economic, and cultural ties. There are several definitions of the area, that being the definition by the United States census bureau, the area defined by the Office of Management and Budget (OMB) as the Chicago-Joliet-Naperville, IL-IN-WI Metropolitan Statistical Area (MSA), and the area under the jurisdiction of the Chicago Metropolitan Agency for Planning (a metropolitan planning organization). The metropolitan Chicago population (CSA) is over 9.8 million people.
The Chicago Metropolitan Statistical Area (MSA) was originally designated by the United States Census Bureau in 1950. It consisted of the Illinois counties of Cook, DuPage, Kane, Lake and Will, along with Lake County in Indiana. As surrounding counties saw an increase in their population densities and the number of their residents employed within Cook County, they met Census criteria to be added to the MSA. The Chicago MSA, now defined as the Chicago-Naperville-Joliet, IL-IN-WI MSA, is the third largest MSA by population in the United States with a population of 10,055,638 (2009 estimate). The Chicago metro area is the largest in an emerging Great Lakes Megalopolis.
Chicago (i/ʃɪˈkɑːɡoʊ/ or /ʃɪˈkɔːɡoʊ/) is the largest city in the US state of Illinois and the third most populous city in the United States after New York City and Los Angeles. The city has around 2.7 million residents. Its metropolitan area, sometimes called "Chicagoland", is the third largest in the United States, with an estimated 9.8 million people. Chicago is the county seat of Cook County, though a small portion also extends into DuPage County.
Chicago was incorporated as a city in 1837, near a portage between the Great Lakes and the Mississippi River watershed. Today, Chicago is listed as an alpha+ global city by the Globalization and World Cities Research Network, and ranks seventh in the world on the 2012 Global Cities Index. The city retains its status as an international hub for finance, industry, telecommunications and infrastructure, with O'Hare International Airport being the second busiest airport in the world in terms of traffic movements. In 2008[update], the city hosted 45.6 million domestic and overseas visitors. Among metropolitan areas, Chicago has the 4th largest Gross Domestic Product (GDP) in the world, ranking just behind Tokyo, New York City, and Los Angeles. Chicago is one of the most important Worldwide Centers of Commerce and trade.
The term metropolitan area refers to a region consisting of a densely populated urban core and its less-populated surrounding territories, sharing industry, infrastructure, and housing. A metropolitan area usually comprises multiple jurisdictions and municipalities: neighborhoods, townships, cities, exurbs, counties, and even states. As social, economic and political institutions have changed, metropolitan areas have become key economic and political regions.
A metropolitan area combines an urban agglomeration (the contiguous, built-up area) with zones not necessarily urban in character, but closely bound to the center by employment or other commerce. These outlying zones are sometimes known as a commuter belt, and may extend well beyond the urban zone, to other political entities. For example, El Monte, California is considered part of the Los Angeles' metro area.
In practice, the parameters of metropolitan areas, in both official and unofficial usage, are not consistent. Sometimes they are little different from an urban area, and in other cases they cover broad regions that have little relation to a single urban settlement; comparative statistics for metropolitan area should take this into account. Population figures given for one metro area can vary by millions, and there is a tendency for people to promote the highest figure available for their own "city". However the most ambitious metropolitan area population figures are often better seen as the population of a "metropolitan region" than of a "city".[citation needed]