Illinois counties in the context of "Greater St. Louis"

⭐ In the context of Greater St. Louis, which grouping accurately represents the Illinois counties included within the metropolitan statistical area?

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⭐ Core Definition: Illinois counties

There are 102 counties in Illinois. The most populous of these is Cook County, the second-most populous county in the United States and the home of Chicago, while the least populous is Hardin County. The largest by land area is McLean County, while the smallest is Putnam County. Illinois's FIPS state code is 17 and its postal abbreviation is IL.

What is now Illinois was claimed as part of Illinois County, Virginia, between 1778 and 1782. Modern-day county formation dates to 1790 when the area was part of the Northwest Territory; two counties β€” St. Clair and Knox β€” were created at that time. Knox would later become a county in Indiana and is unrelated to the current Knox County in Illinois, while St. Clair would become the oldest county in Illinois. Successive territorial governments created 15 counties by the time Illinois achieved statehood in 1818. The last county created in the state, Ford County, was created by the Illinois government in 1859.

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πŸ‘‰ Illinois counties in the context of Greater St. Louis

Greater St. Louis is the 23rd-largest metropolitan statistical area (MSA) in the United States consisting with an MSA population more than 2.8 million, and almost 3 million CSA the largest in Missouri, and the second-largest in Illinois. Its core cityβ€”St. Louis, Missouriβ€”sits in the geographic center of the metro area, on the west bank of the Mississippi River. The river bisects the metro area geographically between Illinois and Missouri, although the latter portion is much more populous. The MSA includes St. Louis County, which is independent of the City of St. Louis; their two populations are generally tabulated separately.

The St. Louis, MO-IL metropolitan statistical area (MSA) includes the City of St. Louis; the Illinois counties of Bond, Calhoun, Clinton, Jersey, Macoupin, Madison, Monroe, and St. Clair (known collectively as the Metro East); and the Missouri counties of Crawford (only the City of Sullivan), Franklin, Jefferson, Lincoln, St. Charles, St. Louis (separate from and not inclusive of the city of St. Louis), and Warren.

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Illinois counties in the context of Metro East

The Metro East is an urban area in Southern Illinois, United States that contains the eastern and northern urban, suburban, and exurban areas on the Mississippi River in Greater St. Louis. It encompasses eight Illinois counties and constitutes the second-most populous metropolitan area in Illinois.

A historically significant region, the area included the mound building native culture of Cahokia, and the later French settlements of the Illinois Country. It also includes the fertile lands of the riparian American Bottom. The region has almost 700,000 residents and its most populated city is Belleville, with 42,404 residents. The area hosts several colleges and universities, with Southern Illinois University Edwardsville as the largest. Also located in Metro East is the Scott Air Force Base.

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