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Full nameCity of Chicago
Official nameCity of Chicago
Settlement typeCity
Motto  (City in a Garden), Make Big Plans (Make No Small Plans), I Will
CountryUnited States
CountiesCook, DuPage
IncorporatedMarch 4, 1837
Named for 
("Wild onion")
TypeMayor council
MayorRahm Emanuel (D)
City CouncilAldermen
Proco Moreno
Bob Fioretti
Pat Dowell
William Burns
Leslie Hairston
Roderick Sawyer
Sandi Jackson
Michelle A. Harris
Anthony Beale
John Pope
James Balcer
George Cardenas
Marty Quinn
Ed Burke
Toni Foulkes
Joann Thompson
Latasha Thomas
Lona Lane
Matthew O'Shea
Willie Cochran
Howard Brookins Jr.
Ricardo Muñoz
Michael Zalewski
Michael Chandler
Daniel Solis
Roberto Maldonado
Walter Burnett, Jr
Jason Ervin
Deborah Graham
Ariel Reboyras
Ray Suarez
Scott Waguespack
Richard Mell
Carrie Austin
Rey Colón
Nicholas Sposato
Emma Mitts
Timothy M. Cullerton
Margaret Laurino
Mary O’Connor
Brian Doherty
Brendan Reilly
Michele Smith
Thomas M. Tunney
John Arena
James Cappleman
Ameya Pawar
Harry Osterman
Joe Moore
Debra Silverstein
State HouseRepresentative
Susana A. Mendoza (D)
Edward J. Acevedo (D)
Luis Arroyo (D)
Cynthia Soto (D)
Kenneth Dunkin (D)
Esther Golar (D)
Karen A. Yarbrough (D)
LaShawn Ford (D)
Arthur L. Turner (D)
Annazette Collins (D)
John A. Fritchey (D)
Sara Feigenholtz (D)
Greg Harris (D)
Harry Osterman (D)
John D'Amico (D)
Joseph M. Lyons (D)
Michael P. McAuliffe (R)
Robert S. Molaro (D)
Michael J. Madigan (D)
Daniel J. Burke (D)
Barbara Flynn Currie (D)
Elga L. Jefferies (D)
Monique D. Davis (D)
Mary E. Flowers (D)
Milton Patterson (D)
Marlow H. Colvin (D)
Constance A. Howard (D)
Kevin Joyce (D)
Maria Antonia Berrios (D)
Deb Mell (D)
Deborah L. Graham(D)
State SenateState senators
Antonio Munoz (D)
William Delgado (D)
Mattie Hunter (D)
Kimberly A. Lightford (D)
Rickey R. Hendon (D)
John Cullerton (D)
Heather Steans (D)
Ira Silverstein (D)
Jeffrey Schoenberg (D)
James DeLeo (D)
Louis Viverito (D)
Martin Sandoval (D)
Kwame Raoul (D)
Emil Jones, III (D)
James Meeks (D)
Jacqueline Y. Collins (D)
Donne Trotter (D)
Edward Maloney (D)
Iris Martinez (D)
U.S. HouseRepresentatives
Jan Schakowsky (D)
Bobby Rush (D)
Luis Gutiérrez (D)
Michael Quigley (D)
Danny K. Davis (D)
Jesse Jackson, Jr. (D)
Dan Lipinski (D)
Total Area234.0 sq mi (606.1 km2)
Land Area227.2 sq mi (588.4 km2)
Water Area6.9 sq mi (17.9 km2)
Urban Area2122.8 sq mi (5498.1 km2)
Metro Area10874 sq mi (28163.7 km2)
Elevation597 ft (182 m)
Total Population2695598 (3rd US) (2010 Census)
Density (pop.)4579.7/km2 (11864.4/sq mi)
Urban (pop.)8711000
Metro (pop.)9461105
Other information
Time zoneCST (UTC−6)
- Summer (DST)CDT (UTC−5)
Area code312, 773, 872

     Home | City | Chicago

Chicago (-enʃɪˈkɑːɡoʊEn-us-Chicago-2 is the largest city in the US state of Illinois. With nearly 2.7 million residents, it is the most populous city in the Midwestern United States and the third most populous in the USA, after New York City and Los Angeles. Its metropolitan area, sometimes called "Chicagoland," is the 27th most populous urban agglomeration in the world, the largest in the Great Lakes Megalopolis, and the third largest in the United States, home to an estimated 9.8 million people spread across the US states of Illinois, Wisconsin, and Indiana. Chicago is the county seat of Cook County, the second most populous county in the United States, after Los Angeles County, California.

Chicago was incorporated as a town in 1833, near a portage between the Great Lakes and the Mississippi River watershed. Today, the city retains its status as a major hub for industry, telecommunications and infrastructure, with O'Hare International Airport being the second busiest airport in the world in terms of traffic movements. , the city hosted 45.6 million domestic and overseas visitors. As of 2010, Chicago's metropolitan area has the 4th largest Gross Domestic Product (GDP) among world metropolitan areas.

The city is a center for services, business and finance and is listed as one of the world's top ten Global Financial Centers. The World Cities Study Group at Loughborough University rated Chicago as an "alpha world city." In a 2010 survey collaboration between Foreign Policy and A.T Kearney ranking cities, Chicago ranked 6th, just after Paris and Hong Kong. The ranking assesses five dimensions: value of capital markets, diversity of human capital, international information resources, international cultural resources, and political influence. Chicago has been ranked by The Atlantic as the world's 4th most economically powerful city, and by Forbes as 5th most powerful. Chicago is a stronghold of the Democratic Party and has been home to many influential politicians, including the current President of the United States, Barack Obama.

The city's notoriety expressed in popular culture is found in novels, plays, movies, songs, various types of journals (for example, sports, entertainment, business, trade, and academic), and the news media. Chicago has numerous nicknames, which reflect the impressions and opinions about historical and contemporary Chicago. The best known include: "Chi-town," "Windy City," "Second City," and the "City of Big Shoulders." Chicago has also been called "the most American of big cities."

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