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The Chicago Metropolitan Agency for Planning (CMAP) (est. 2005) is a metropolitan planning organization (MPO) responsible for comprehensive regional transportation planning in Cook, DuPage, Kane, Kendall, Lake, McHenry and Will counties in northeastern Illinois. [1]
The Chicago metropolitan area represents about 3 percent of the entire US population. Chicagoland has one of the world's largest and most diversified economies. With more than six million full and part-time employees, the Chicago metropolitan area is a key factor of the Illinois economy, as the state has an annual GDP of over $1 trillion. [7]
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.
The Chicago Region Environmental and Transportation Efficiency (CREATE) Program is a $4.6 billion program to improve the efficiency and effectiveness of freight, commuter and intercity passenger rail and to reduce highway delay in the Chicago region. The Program consists of 70 projects, which includes constructing grade separations, flyovers ...
A map of the 77 community areas, broken down by purported regions. While the areas have official use and definition, the color groupings are unofficial, and such "regions" may be defined differently, grouped differently, or not be used at all. The city of Chicago is divided into 77 community areas for statistical and planning purposes.
In 1989, area code 708 was created for all of the suburbs in the Chicago metropolitan area while the city of Chicago kept the original 312. Area codes 847 (northern suburbs) and 630 (western suburbs) were created from a split of suburban area code 708 in 1996. Shortly after in 1996, area code 773 was created for the residential parts of the ...
Parts added to Chicago metropolitan area by 2010 (NOTE: This is only for the Illinois part of the metropolitan area.) Downstate Illinois refers to the part of the U.S. state of Illinois south or outside of the Chicago metropolitan area , which is in the northeast corner of the state and has been dominant in state history , politics , and culture .
Collar counties is a colloquialism for DuPage, Kane, Lake, McHenry, and Will counties, the five counties of Illinois that border Cook County, which is home to Chicago. The collar counties are part of the Chicago metropolitan area and comprise many of the area's suburbs .