Chicago, Major city in Illinois.
Chicago is the most populous city in the U.S. state of Illinois and the third most populous city in the United States.
Established in 1833, Chicago was a small trading post at that time and has grown to a large cosmopolitan city now.
Noted for its museums, particularly the Art Institute of Chicago with its noted Impressionist and Post-Impressionist works.
O'Hare International Airport is one of the busiest airports in the world.
Known for its Chicago School and Prairie School architecture.
Location: Cook County
Location: DuPage County
Inception: August 12, 1833
Founder: Jean Baptiste Point du Sable
Population: 2746388
Elevation above the sea: 179 m
Phone: +13127445000
Website: chicago.gov
Sources: Wikimedia, OpenStreetMap