This article is about the Illinois city. For other uses, see Chicago (disambiguation).
Chicago, Illinois
City of Chicago
Clockwise from top: Downtown Chicago, the Chicago Theatre, the 'L', Navy Pier, Millennium Park, the Field Museum, and the Willis Tower.

Flag of Chicago, Illinois
Official seal of Chicago, Illinois
Etymology: Miami-Illinois: shikaakwa (“wild onion” or “wild garlic”)
Potawatomi: Gaa-zhigaagwanzhikaag
Nickname(s): The “Windy City”, Chi-Town, The “Second City”, the City of Big Shoulders
(for more, see full list)
Motto: Latin: Urbs in Horto (City in a Garden), I Will
Location in Cook County and the state of Illinois.
Location in Cook County and the state of Illinois.
Chicago is located in USA


Location in the United States

Coordinates: 41°50′13″N 87°41′05″WCoordinates: 41°50′13″N 87°41′05″W[1]
Country  United States of America
State  Illinois
Counties Cook and DuPage
Settled 1780s
Incorporated (town) August 12, 1833
Incorporated (city) March 4, 1837
Named for Miami-Illinois: shikaakwa
(wild onion or wild garlic)
 • Type Mayor–council
 • Body Chicago City Council
 • Mayor Rahm Emanuel (D)
 • City Clerk Susana A. Mendoza (D)
 • City Treasurer Kurt Summers, Jr. (D)
 • City 234.0 sq mi (606 km2)
 • Land 227.3 sq mi (589 km2)
 • Water 6.9 sq mi (18 km2)  3.0%
 • Urban 2,122.8 sq mi (5,498 km2)
 • Metro 10,874 sq mi (28,160 km2)
Elevation[1](mean) 594 ft (181 m)
Highest elevation
– near Blue Island
672 ft (205 m)
Lowest elevation
– at Lake Michigan
578 ft (176 m)
Population (2010)[2]
 • City 2,695,598
 • Estimate (July 1, 2014[3]) 2,722,389
 • Rank 3rd largest city in U.S.
Largest in Illinois and in the Midwestern United States
 • Density 11,864.4/sq mi (4,447.4/km2)
 • Metro 9,522,434 (3rd)
Demonym(s) Chicagoan
Time zone Central (UTC-6)
 • Summer (DST) Central (UTC-5)
ZIP Code Prefixes 606xx, 607xx, 608xx
Area codes 312/872 and 773/872
FIPS code 17-14000
GNIS feature ID 0428803

Chicago (Listeni/ʃˈkɑːɡ/ or /ʃˈkɔːɡ/) is the third most populous city in the United States. With over 2.7 million residents, it is the most populous city in the state of Illinois and the Midwest. The Chicago metropolitan area, often referred to asChicagoland, has nearly 10 million people and is the third-largest in the U.S.[4] Chicago is the seat of Cook County.[a]

Chicago was incorporated as a city in 1837, near a portage between the Great Lakes and the Mississippi River watershed, and grew rapidly in the mid-nineteenth century.[7] The city is an international hub for finance, commerce, industry, technology, telecommunications, and transportation: O’Hare International Airport is the busiest airport in the world when measured by aircraft traffic; the region also has the largest number of U.S. highways and rail road freight.[8] In 2012, Chicago was listed as an alpha global city by the Globalization and World Cities Research Network,[9] and ranked seventh in the world in the 2014Global Cities Index.[10] As of 2014, Chicago had the third largest gross metropolitan product in the United States at US$610.5billion.[11][12]

In 2014, Chicago had 50.2 million international and domestic visitors.[13] Chicago’s culture includes the visual arts, novels, film, theater, especially improvisational comedy, and music, particularly jazz, blues, soul, gospel[14] and house music. It also has professional sports teams in each of the major professional leagues. Chicago has many nicknames, the best-known being theWindy City.[15]