St. Louis Flag

St. Louis

County Seat:
No
Area (mi²):
61.72
State:
Missouri

St. Louis is a city located in St. Louis County, Missouri. St. Louis has a 2026 population of 279,695. St. Louis is currently declining at a rate of -1.09% annually and its population has decreased by -6.87% since the most recent census, which recorded a population of 300,315 in 2020.

279.7K
Total Population
4,532
Density (mi²)
-3.1K -1.09%
Growth

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)