In 2023, the population of the St. Louis metropolitan area in the United States was about 2.79 million people. This is a slight decrease in comparison to the previous year, when the population was 2.8 million people.
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U.S. Census Bureau. (June 25, 2024). Population of the St. Louis metro area in the United States from 2010 to 2023 [Graph]. In ÌÇÐÄÆÆ½â°æ. Retrieved July 20, 2026, from /statistics/815285/st-louis-metro-area-population/
U.S. Census Bureau. "Population of the St. Louis metro area in the United States from 2010 to 2023." Chart. June 25, 2024. ÌÇÐÄÆÆ½â°æ. Accessed July 20, 2026. /statistics/815285/st-louis-metro-area-population/
U.S. Census Bureau. (2024). Population of the St. Louis metro area in the United States from 2010 to 2023. ÌÇÐÄÆÆ½â°æ. ÌÇÐÄÆÆ½â°æ Inc.. Accessed: July 20, 2026. /statistics/815285/st-louis-metro-area-population/
U.S. Census Bureau. "Population of The St. Louis Metro Area in The United States from 2010 to 2023." ÌÇÐÄÆÆ½â°æ, ÌÇÐÄÆÆ½â°æ Inc., 25 Jun 2024, /statistics/815285/st-louis-metro-area-population/
U.S. Census Bureau, Population of the St. Louis metro area in the United States from 2010 to 2023 ÌÇÐÄÆÆ½â°æ, /statistics/815285/st-louis-metro-area-population/ (last visited July 20, 2026)
Population of the St. Louis metro area in the United States from 2010 to 2023 [Graph], U.S. Census Bureau, June 25, 2024. [Online]. Available: /statistics/815285/st-louis-metro-area-population/