Fenton Flag

Fenton

County Seat:
No
Area (mi²):
6.271
State:
Missouri

Fenton is a city located in St. Louis County, Missouri. Fenton has a 2025 population of 4,003. Fenton is currently declining at a rate of -0.55% annually and its population has decreased by -2.72% since the most recent census, which recorded a population of 4,115 in 2020.

The average household income in Fenton is $122,464 with a poverty rate of 3.66%.The median age in Fenton is 47 years: 42.9 years for males, and 50.1 years for females.

4K
Total Population
638
Density (mi²)
-22 -0.55%
Growth

Fenton 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)