Chicago

Chicago, 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... Wikipedia

• Country:  United States
• State:  Illinois
• Counties:  Cook, DuPage
• Settled:  c. 1780
• Incorporated (town):  August 12, 1833
• Incorporated (city):  March 04, 1837
• Founded by:  Jean Baptiste Point du Sable
• • Type:  Mayor–council
• • Body:  Chicago City Council
• • Mayor:  Lori Lightfoot (D)
• • City Clerk:  Anna Valencia (D)
• • City Treasurer:  Melissa Conyears-Ervin (D)
• Population (2020):  2,746,388
• • Rank:  3rd in the United States, 1st in Illinois
• • Metro:  9,618,502 (3rd)
• Demonym(s):  Chicagoan
• Time zone:  Central (UTC−06:00)
• • Summer (DST):  Central (UTC−05:00)
• ZIP code prefixes:  606xx, 607xx, 608xx
• Area codes:  312, 773, and 872
• FIPS code:  17-14000
• GNIS feature ID:  0428803
• International airports:  O'Hare Airport, Midway Airport, Rockford Airport
• Website:  chicago.gov
• Data source:  DuckDuckGo