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Cook County, Illinois
Cook County is the most populous county in the US state of Illinois and the second most populous county in the United States, after Los Angeles County, California. In 2019, the population was 5,150,233. The county seat is Chicago, the most populous city in Illinois and the third most populous city in the United States. More than 40% of all Illinois residents live in Cook County.
Cook County was founded in 1831 and is named after Daniel Pope Cook, one of Illinois’s first statesmen. It reached its current limits in 1839. During the first half of the 20th century, it had the absolute majority of the population of Illinois.
There are more than 800 local government units and nearly 130 municipalities located wholly or partially in Cook County. The largest of these is Chicago, which is home to about 54% of the county’s population. The portion of the county outside the Chicago and Evanston city limits is divided into 29 counties; these often divide or share government services with local municipalities. The Chicago townships were abolished in 1902, but are retained for property appraisal purposes. Evanston Township was previously a partnership with the City of Evanston, but closed in 2014. and the Cook County Assessor.
Geographically, the county is the sixth largest in Illinois by land area and the largest by total area. It shares the shoreline of Lake Michigan with Lake County. Including the Lake District, Cook County has a total area of 4,234.6 km2, the largest county in Illinois, of which 2,447.5 km2 is land and 42.16% water. Land use in Cook County is primarily urban and densely populated. In Cook County, the state of Illinois benefited from access to Lake Michigan, beginning with the construction of the Illinois-Michigan Canal in 1848. This helped make a strong agricultural state a central hub for the movement of crops and other means. . and much of the state in economic terms.
Cook County’s population is larger than the 28 individual US states and the combined populations of the seven smaller states. It is included in the Chicago-Naperville-Elgin, IL-IN-WI Metropolitan Statistical Area, and is surrounded by what is known as the Five Neck Counties.
Chicago metropolitan area
The Chicago Metropolitan Area, also known as Chicagoland, is an urban area in the US that includes the US Census Bureau Metropolitan Statistical Area (Population 9.4 million) or the Combined Statistical Area (CSA) a little bigger. The CSA includes the city of Chicago and its suburbs, which encompasses 14 counties in the states of Illinois, Indiana, and Wisconsin, and is estimated to have a population of 9.83 million people in 2019. The Chicago area is the third largest area largest metropolitan area in the United States, after New York City and Los Angeles.
The Chicago metropolitan area has one of the largest and most diversified economies in the world, with more than six million full-time and part-time employees, generating an annual gross regional product (GRP) of $ 689 billion in 2018. The region is home to more than 400 corporate headquarters, including 31 on the Fortune 500. For six consecutive years, Chicagoland was ranked as the top metropolitan region in the country for corporate relocations. The Chicago area is home to some of the top universities in the country, including the University of Chicago, Northwestern University, the University of Illinois at Chicago, DePaul University, and Loyola University.
There are several definitions of the area, including those defined by the United States Office of Management and Budget (OMB) as the Chicago-Naperville-Elgin IL-IN-WI Metropolitan Statistical Area (MSA) and the slightly larger Combined Statistical Area , and area under the jurisdiction of the Chicago Metropolitan Planning Agency (CMAP) (a metropolitan planning organization in Illinois).