Chicago (Illinois)

Here is general information about Chicago in Illinois

Chicago statistic

Coordinates 41°52′55″N 87°37′40″W
Country United States
State Illinois
Counties Cook, DuPage
Settled c. 1780; 242 years ago (1780)
Incorporated (town) August 12, 1833; 188 years ago (1833-08-12)
Incorporated (city) March 4, 1837; 185 years ago (1837-03-04)
Founded by Jean Baptiste Point du Sable
Elevation (mean) 597.18 ft (182.02 m)
Highest elevation – near Blue Island 672 ft (205 m)
Lowest elevation – at Lake Michigan 578 ft (176 m)
Demonym(s) Chicagoan
Time zone UTC−06:00 (Central)
ZIP code prefixes 606xx, 607xx, 608xx
Area codes 312, 773, and 872
FIPS code 17-14000
GNIS feature ID 0428803
International airports O'Hare AirportMidway AirportRockford Airport
Commuter rail
Rapid transit
Government (Type) Mayor–council
Government (Body) Chicago City Council
Government (Mayor) Lori Lightfoot (D)
Government (City Clerk) Anna Valencia (D)
Government (City Treasurer) Melissa Conyears-Ervin (D)
Government (City) 234.53 sq mi (607.44 km2)
Government (Land) 227.73 sq mi (589.82 km2)
Government (Water) 6.80 sq mi (17.62 km2)
Area (City) 234.53 sq mi (607.44 km2)
Area (Land) 227.73 sq mi (589.82 km2)
Area (Water) 6.80 sq mi (17.62 km2)
Population (2020) (City) 2,746,388
Population (2020) (Rank) 3rd in the United States1st in Illinois
Population (2020) (Density) 12,059.84/sq mi (4,656.33/km2)
Population (2020) (Metro) 9,618,502 (3rd)

Time difference between Chicago and other cities

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Chicago (/ʃɪˈkɑːɡoʊ/ (listen)shih-KAH-goh, locally also/ʃɪˈkɔːɡoʊ/shih-KAW-goh ), officially the City of Chicago, is the most populous city in the U.S. state of Illinois, and the third-most populous city in the United States, following New York City and Los Angeles. With a population of 2,746,388 in the 2020 census, it is also the most populous city in the Midwestern United States and the fifth-most populous city in North America. Chicago is the county seat of Cook County, the second-most populous U.S. county and the principal city of the Chicago metropolitan area. It is one of the 40 largest urban areas in the world.

Chicago photos