St. Louis is an independent city in the U.S. state of Missouri. It is located near the confluence of the Mississippi and the Missouri rivers. In 2020, the city proper had a population of 301,578, while its bi-state metropolitan area, which extends into Illinois, had an estimated population of over 2.8 million. It is the largest metropolitan area in Missouri and the second largest in Illinois. The city's combined statistical area is the 20th largest in the United States. The land that is now St. Louis had been occupied by Native American cultures for thousands of years before European settlement. The city was founded on February 14, 1764, by French fur traders Gilbert Antoine de St. Maxent, Pierre Laclède and Auguste Chouteau. They named it for king Louis IX of France, and it quickly became the regional center of the French Illinois Country. In 1804, the United States acquired St. Louis as part of the Louisiana Purchase.

Country: United States
State: Missouri
CSA: St. Louis–St. Charles–Farmington, MO–IL
Metro: St. Louis, MO-IL
Founded: February 14, 1764
Incorporated: 1822
Named for: Louis IX of France
• Type: Mayor–council
• Body: Board of Aldermen
• Mayor: Tishaura Jones (D)
• President, Board of Aldermen: Megan Green (D)
• Treasurer: Adam Layne
• Comptroller: Darlene Green (D)
• Congressional representative: Cori Bush (D)
Population (2020): 301,578
• Estimate (2021): 293,310
• Rank: US: 70th, Midwest: 13th, Missouri: 2nd
• Urban: 2,156,323 (US: 22nd)
• Metro: 2,809,299 (US: 21st)
• CSA: 2,914,230 (US: 20th)
Demonym(s): St. Louisan, Saint Louisan
Time zone: CST (UTC−6)
• Summer (DST): CDT (UTC−5)
Area code: 314/557
FIPS code: 29-65000
Wikidata description: independent city in Missouri, United States
Wikidata id: Q38022
Wikidata label: St. Louis
Wikidata aliases: Array
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