Florissant Flag

Florissant

County Seat:
No
Area (mi²):
12.552
State:
Missouri

Florissant is a city located in St. Louis County, Missouri. Florissant has a 2025 population of 50,247. Florissant is currently declining at a rate of -0.87% annually and its population has decreased by -4.2% since the most recent census, which recorded a population of 52,449 in 2020.

The average household income in Florissant is $78,166 with a poverty rate of 9.5%.The median age in Florissant is 37.5 years: 36.1 years for males, and 38.8 years for females.

50.2K
Total Population
4,003
Density (mi²)
-440 -0.87%
Growth

Florissant 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)