Ballwin Flag

Ballwin

County Seat:
No
Area (mi²):
8.981
State:
Missouri

Ballwin is a city located in St. Louis County, Missouri. Ballwin has a 2025 population of 31,036 . Ballwin is currently declining at a rate of 0% annually and its population has decreased by -1.99% since the most recent census, which recorded a population of 31,665 in 2020.

The median household income in Ballwin is $121,170 with a poverty rate of 5.5%. The median age in Ballwin is 42.3 years: 40.6 years for males, and 44.3 years for females. For every 100 females there are 97.3 males.

31K
Total Population
3,456
Density (mi²)
-1 0%
Growth

Ballwin Population

Demographics

Economics and Income Statistics

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)