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, subdivision_name = United States , subdivision_type1 = State , subdivision_type2 = Counties , subdivision_name1 =

Illinois Illinois ( ) is a U.S. state, state in the Midwestern United States, Midwestern United States. Its largest metropolitan areas include the Chicago metropolitan area, and the Metro East section, of Greater St. Louis. Other smaller metropolita ...

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Cook Cook or The Cook may refer to: Food preparation * Cooking, the preparation of food * Cook (domestic worker), a household staff member who prepares food * Cook (professional), an individual who prepares food for consumption in the food industry * ...

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, government_type = Mayor–council , governing_body =

Chicago City Council The Chicago City Council is the legislative branch of the government of the City of Chicago in Illinois. It consists of 50 alderpersons elected from 50 wards to serve four-year terms. The council is gaveled into session regularly, usually mont ...

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Mayor In many countries, a mayor is the highest-ranking official in a municipal government such as that of a city or a town. Worldwide, there is a wide variance in local laws and customs regarding the powers and responsibilities of a mayor as well a ...

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Lori Lightfoot Lori Elaine Lightfoot (born August 4, 1962) is an American attorney and politician serving since 2019 as the 56th mayor of Chicago. She is a member of the Democratic Party. Before becoming mayor, Lightfoot worked in private legal practice as ...

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City Clerk A clerk is a senior official of many municipal governments in the English-speaking world. In some communities, including most in the United States, the position is elected, but in many others, the clerk is appointed to their post. In the UK, a Tow ...

, leader_name1 = Anna Valencia ( D) , unit_pref = Imperial , area_footnotes = , area_total_sq_mi = 234.53 , area_total_km2 = 607.44 , area_land_sq_mi = 227.73 , area_land_km2 = 589.82 , area_water_sq_mi = 6.80 , area_water_km2 = 17.62 , elevation_footnotes = ''(mean)'' , elevation_m = , elevation_ft = 597.18 , elevation_min_m = , elevation_min_ft = 578 , elevation_max_footnotes =
''– near Blue Island'' , elevation_min_footnotes =
''– at Lake Michigan'' , population_total = 2746388 , population_as_of =

2020 2020 was heavily defined by the COVID-19 pandemic, which led to global Social impact of the COVID-19 pandemic, social and Economic impact of the COVID-19 pandemic, economic disruption, mass cancellations and postponements of events, COVID- ...

, population_footnotes = , population_rank = , population_density_sq_mi = 12059.84 , population_density_km2 = 4656.33 , population_metro_footnotes = , population_metro = 9618502 (

3rd Third or 3rd may refer to: Numbers * 3rd, the ordinal form of the cardinal number 3 * , a fraction of one third * Second#Sexagesimal divisions of calendar time and day, 1⁄60 of a ''second'', or 1⁄3600 of a ''minute'' Places * 3rd Street (d ...

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Chicagoan Chicago's demographics show that it is a large and ethnically diverse metropolis. It is the third largest city and metropolitan area in the United States by population, and the city was home to over 2.7 million people in 2020, accounting for over ...

, population_note = , postal_code_type = ZIP Code prefixes , postal_code = 606xx, 607xx, 608xx , area_code =

312 __NOTOC__ Year 312 ( CCCXII) was a leap year starting on Tuesday (link will display the full calendar) of the Julian calendar. In the Roman Empire, it was known as the Year of the Consulship of Constantinus and Licinianus (or, less frequently, ...

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773 __NOTOC__ Year 773 ( DCCLXXIII) was a common year starting on Friday (link will display the full calendar) of the Julian calendar. The denomination 773 for this year has been used since the early medieval period, when the Anno Domini calendar e ...

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Area codes A telephone numbering plan is a type of numbering scheme used in telecommunication to assign telephone numbers to subscriber telephones or other telephony endpoints. Telephone numbers are the addresses of participants in a telephone network, rea ...

, website = , footnotes = , etymology = mia, shikaakwa ( or ) , pushpin_label = Chicago , leader_title2 = City Treasurer , leader_name2 = Melissa Conyears-Ervin ( D) , elevation_max_m = , elevation_max_ft = 672 , utc_offset = −06:00 , timezone_DST = CDT , utc_offset_DST = −05:00 , blank_name = FIPS code , blank_info = , blank1_name = GNIS feature ID , blank1_info = , blank_name_sec2 =

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Rapid transit Rapid transit or mass rapid transit (MRT), also known as heavy rail or metro, is a type of high-capacity public transport generally found in urban areas. A rapid transit system that primarily or traditionally runs below the surface may be c ...

, blank2_info_sec2 = Chicago Transit Authority Logo

, short_description = City in Illinois, United States , pop_est_as_of = , pop_est_footnotes = , population_est = , nickname = Full list , timezone1 = CST , established_title1 = , established_date1 = Chicago ( , ) is the

most populous city The United Nations uses three definitions for what constitutes a city, as not all cities in all jurisdictions are classified using the same criteria. Cities may be defined as the city proper, cities proper, the extent of their urban area, or th ...

in the U.S. state of

and the third-most populous in the United States, after

New York City New York, often called New York City or NYC, is the List of United States cities by population, most populous city in the United States. With a 2020 population of 8,804,190 distributed over , New York City is also the L ...

and

Los Angeles Los Angeles ( ; es, Los Ángeles, link=no , ), often referred to by its initials L.A., is the largest city in the state of California and the second most populous city in the United States after New York City, as well as one of the world' ...

. With a population of 2,746,388 in the 2020 census, it is also the most populous city in the

Midwest The Midwestern United States, also referred to as the Midwest or the American Midwest, is one of four Census Bureau Region, census regions of the United States Census Bureau (also known as "Region 2"). It occupies the northern central part of ...

. As the

seat A seat is a place to sit. The term may encompass additional features, such as back, armrest, head restraint but also headquarters in a wider sense. Types of seat The following are examples of different kinds of seat: * Armchair (furniture), ...

of Cook County (the second-most populous U.S. county), the city is the center of the

Chicago metropolitan area The Chicago metropolitan area, also colloquially referred to as Chicagoland, is a metropolitan area in the Midwestern United States. Encompassing 10,286 sq mi (28,120 km2), the metropolitan area includes the city of Chicago, its suburbs and hi ...

, one of the largest in the world. On the shore of

Lake Michigan Lake Michigan is one of the five Great Lakes of North America. It is the second-largest of the Great Lakes by volume () and the third-largest by surface area (), after Lake Superior and Lake Huron. To the east, its basin is conjoined with that o ...

, Chicago was incorporated as a city in 1837 near a

portage Portage or portaging (Canada: ; ) is the practice of carrying water craft or cargo over land, either around an obstacle in a river, or between two bodies of water. A path where items are regularly carried between bodies of water is also called a ...

between the

Great Lakes The Great Lakes, also called the Great Lakes of North America, are a series of large interconnected freshwater lakes in the mid-east region of North America that connect to the Atlantic Ocean via the Saint Lawrence River. There are five lakes ...

and the

Mississippi River watershed The Mississippi River is the second-longest river and chief river of the second-largest drainage system in North America, second only to the Hudson Bay drainage system. From its traditional source of Lake Itasca in northern Minnesota, it fl ...

. It grew rapidly in the mid-19th century; by 1860, Chicago was the youngest U.S. city to exceed a population of 100,000. The

Great Chicago Fire The Great Chicago Fire was a conflagration that burned in the American city of Chicago during October 8–10, 1871. The fire killed approximately 300 people, destroyed roughly of the city including over 17,000 structures, and left more than 10 ...

in 1871 destroyed several square miles and left more than 100,000 homeless, but Chicago's population continued to grow to 503,000 by 1880 and then doubled to more than a million within the decade. The construction boom accelerated population growth throughout the following decades, and by 1900, less than 30 years after the fire, Chicago was the fifth-largest city in the world. Chicago made noted contributions to

urban planning Urban planning, also known as town planning, city planning, regional planning, or rural planning, is a technical and political process that is focused on the development and design of land use and the built environment, including air, water, ...

and zoning standards, including new construction styles (such as, Chicago School architecture, the development of the City Beautiful Movement, and the steel-framed

skyscraper A skyscraper is a tall continuously habitable building having multiple floors. Modern sources currently define skyscrapers as being at least or in height, though there is no universally accepted definition. Skyscrapers are very tall high-ris ...

). Chicago is an international hub for finance, culture, commerce, industry, education, technology, telecommunications, and transportation. It is the site of the creation of the first standardized futures contracts, issued by the

Chicago Board of Trade The Chicago Board of Trade (CBOT), established on April 3, 1848, is one of the world's oldest futures and options exchanges. On July 12, 2007, the CBOT merged with the Chicago Mercantile Exchange (CME) to form CME Group. CBOT and three other excha ...

, which today is part of the largest and most diverse

derivatives The derivative of a function is the rate of change of the function's output relative to its input value. Derivative may also refer to: In mathematics and economics * Brzozowski derivative in the theory of formal languages * Formal derivative, an ...

market in the world, generating 20% of all volume in

commodities In economics, a commodity is an economic good, usually a resource, that has full or substantial fungibility: that is, the market treats instances of the good as equivalent or nearly so with no regard to who produced them. The price of a comm ...

and financial futures alone.

O'Hare International Airport Chicago O'Hare International Airport , sometimes referred to as, Chicago O'Hare, or simply O'Hare, is the main international airport serving Chicago, Illinois, located on the city's Northwest Side, approximately northwest of the Chicago Loop, ...

is routinely ranked among the world's top six busiest airports according to tracked data by the

Airports Council International Airports Council International (ACI) is an organization of airport authorities aimed at unifying industry practices for airport standards. Established in 1991, its headquarters (ACI World) are based in Montreal, Quebec, Canada, and its members ...

. The region also has the largest number of federal highways and is the nation's railroad hub. The Chicago area has one of the highest gross domestic products (GDP) in the world, generating $689 billion in 2018. The economy of Chicago is diverse, with no single industry employing more than 14% of the workforce. It is home to several ''Fortune'' 500 companies, including

Archer Daniels Midland The Archer-Daniels-Midland Company, commonly known as ADM, is an American multinational food processing and commodities trading corporation founded in 1902 and headquartered in Chicago, Illinois. The company operates more than 270 plants and 42 ...

, Conagra Brands, Exelon, JLL,

Kraft Heinz The Kraft Heinz Company (KHC), commonly known as Kraft Heinz, is an American multinational food company formed by the merger of Kraft Foods and Heinz co-headquartered in Chicago and Pittsburgh. Kraft Heinz is the third-largest food and beverage ...

McDonald's McDonald's Corporation is an American Multinational corporation, multinational fast food chain store, chain, founded in 1940 as a restaurant operated by Richard and Maurice McDonald, in San Bernardino, California, United States. They rechri ...

Mondelez International Mondelez International, Inc. ( ), often styled Mondelēz, is an American Multinational corporation, multinational confectionery, food industry, food, holding and drink industry, beverage and snack food company based in Chicago. Mondelez has an ...

, Motorola Solutions, Sears, and United Airlines Holdings. Chicago's 58 million

tourist Tourism is travel for pleasure or business; also the theory and practice of touring, the business of attracting, accommodating, and entertaining tourists, and the business of operating tours. The World Tourism Organization defines tourism mo ...

visitors in 2018 set a new record. Landmarks in the city include

Millennium Park Millennium Park is a public park located in the Loop community area of Chicago, operated by the Chicago Department of Cultural Affairs. The park, opened in 2004 and intended to celebrate the third millennium, is a prominent civic center near ...

, Navy Pier, the Magnificent Mile, the

Art Institute of Chicago The Art Institute of Chicago in Chicago's Grant Park, founded in 1879, is one of the oldest and largest art museums in the world. Recognized for its curatorial efforts and popularity among visitors, the museum hosts approximately 1.5 mill ...

, Museum Campus, the Willis (Sears) Tower, Grant Park, the Museum of Science and Industry, and Lincoln Park Zoo. Chicago is also home to the

Barack Obama Presidential Center The Barack Obama Presidential Center is a planned architectural project in Chicago to commemorate the presidency of Barack Obama, the 44th president of the United States. The center will include a museum and library and is headed by the nonprofi ...

being built in

Hyde Park Hyde Park may refer to: Places England * Hyde Park, London, a Royal Park in Central London * Hyde Park, Leeds, an inner-city area of north-west Leeds * Hyde Park, Sheffield, district of Sheffield * Hyde Park, in Hyde, Greater Manchester Austra ...

on the city's South Side.

Chicago's culture The culture of Chicago, Illinois is known for the invention or significant advancement of several performing arts, including improvisational comedy, house music, industrial music, blues, hip hop, gospel, jazz, and soul. The city is known for i ...

includes the visual arts,

literature Literature is any collection of written work, but it is also used more narrowly for writings specifically considered to be an art form, especially prose fiction, drama, and poetry. In recent centuries, the definition has expanded to include ...

, film,

theater Theatre or theater is a collaborative form of performing art that uses live performers, usually actor, actors or actresses, to present the experience of a real or imagined event before a live audience in a specific place, often a stage. The p ...

, comedy (especially improvisational comedy), food, dance (including modern dance and jazz troupes and the

Joffrey Ballet The Joffrey Ballet is one of the premier dance companies and training institutions in the world today. Located in Chicago, Illinois, the Joffrey regularly performs classical and contemporary ballets during its annual performance season at Lyric O ...

), and music (particularly

jazz Jazz is a music genre that originated in the African-American communities of New Orleans, Louisiana in the late 19th and early 20th centuries, with its roots in blues and ragtime. Since the 1920s Jazz Age, it has been recognized as a major ...

blues Blues is a music genre and musical form which originated in the Deep South of the United States around the 1860s. Blues incorporated spirituals, work songs, field hollers, shouts, chants, and rhymed simple narrative ballads from the Afr ...

soul In many religious and philosophical traditions, there is a belief that a soul is "the immaterial aspect or essence of a human being". Etymology The Modern English noun ''soul'' is derived from Old English ''sāwol, sāwel''. The earliest attes ...

, hip-hop,

gospel Gospel originally meant the Christian message ("the gospel"), but in the 2nd century it came to be used also for the books in which the message was set out. In this sense a gospel can be defined as a loose-knit, episodic narrative of the words an ...

, and electronic dance music, including

house music House is a music genre characterized by a repetitive Four on the floor (music), four-on-the-floor beat and a typical tempo of 120 beats per minute. It was created by Disc jockey, DJs and music producers from Chicago metropolitan area, Chicago' ...

). Chicago is also the location of the

Chicago Symphony Orchestra The Chicago Symphony Orchestra (CSO) was founded by Theodore Thomas in 1891. The ensemble makes its home at Orchestra Hall in Chicago and plays a summer season at the Ravinia Festival. The music director is Riccardo Muti, who began his tenure ...

and the Lyric Opera of Chicago. Of the area's colleges and universities, the

University of Chicago The University of Chicago (UChicago, Chicago, U of C, or UChi) is a private research university in Chicago, Illinois. Its main campus is located in Chicago's Hyde Park neighborhood. The University of Chicago is consistently ranked among the b ...

Northwestern University Northwestern University is a private research university in Evanston, Illinois. Founded in 1851, Northwestern is the oldest chartered university in Illinois and is ranked among the most prestigious academic institutions in the world. Charte ...

, and the

University of Illinois at Chicago The University of Illinois Chicago (UIC) is a Public university, public research university in Chicago, Illinois. Its campus is in the Near West Side, Chicago, Near West Side community area, adjacent to the Chicago Loop. The second campus esta ...

are classified as "highest research" doctoral universities. Chicago has professional sports teams in each of the major professional leagues, including two

Major League Baseball Major League Baseball (MLB) is a professional baseball organization and the oldest major professional sports league in the world. MLB is composed of 30 total teams, divided equally between the National League (NL) and the American League (AL), ...

teams.

Etymology and nicknames

The name ''Chicago'' is derived from a French rendering of the indigenous

Miami-Illinois Miami-Illinois (endonym: , ) also known as Irenwa, or Irenwe is an indigenous Algonquian language spoken in the United States, primarily in Illinois, Missouri, Indiana, western Ohio and adjacent areas along the Mississippi River by the Miami a ...

word for a wild relative of the

onion An onion (''Allium cepa'' L., from Latin ''cepa'' meaning "onion"), also known as the bulb onion or common onion, is a vegetable that is the most widely cultivated species of the genus ''Allium''. The shallot is a botanical variety of the onion ...

; it is known to botanists as ''

Allium tricoccum ''Allium tricoccum'' (commonly known as ramp, ramps, ramson, wild leek, wood leek, or wild garlic) is a North American species of wild onion or garlic widespread across eastern Canada and the eastern United States. Many of the common English na ...

'' and known more commonly as "ramps". The first known reference to the site of the current city of Chicago as "" was by Robert de LaSalle around 1679 in a memoir.

Henri Joutel Henri Joutel (c. 1643 – 1725), a French explorer and soldier, is known for his eyewitness history of the last North American expedition of René Robert Cavelier, Sieur de La Salle. Joutel was born in Rouen. After serving as a soldier, he join ...

, in his journal of 1688, noted that the eponymous wild "garlic" grew abundantly in the area. According to his diary of late September 1687: The city has had several nicknames throughout its history, such as the Windy City, Chi-Town, Second City, and City of the Big Shoulders.

History

Beginnings

Pottawatomi Fashion at the Field Museum in Chicago

In the mid-18th century, the area was inhabited by the

Potawatomi The Potawatomi , also spelled Pottawatomi and Pottawatomie (among many variations), are a Native American people of the western Great Lakes region, upper Mississippi River and Great Plains. They traditionally speak the Potawatomi language, a m ...

, a Native American tribe who had succeeded the

Miami Miami ( ), officially the City of Miami, known as "the 305", "The Magic City", and "Gateway to the Americas", is a East Coast of the United States, coastal metropolis and the County seat, county seat of Miami-Dade County, Florida, Miami-Dade C ...

and

Sauk and Fox The Sac and Fox Nation ( ''Mesquakie'' language: ''Othâkîwaki / Thakiwaki'' or ''Sa ki wa ki'') is the largest of three federally recognized tribes of Sauk and Meskwaki (Fox) Indian peoples. Originally from the Lake Huron and Lake Michiga ...

peoples in this region. Chicago-fire1

The first known non-indigenous permanent settler in Chicago was trader

. Du Sable was of

African African or Africans may refer to: * Anything from or pertaining to the continent of Afri