St. Ann Flag

St. Ann

County Seat:
No
Area (mi²):
3.155
State:
Missouri

St. Ann is a city located in St. Louis County, Missouri. St. Ann has a 2026 population of 12,704. St. Ann is currently declining at a rate of -0.02% annually and its population has decreased by -2.26% since the most recent census, which recorded a population of 12,998 in 2020.

12.7K
Total Population
4,026
Density (mi²)
-3 -0.02%
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)