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 51,290 . Florissant is currently declining at a rate of -0.06% annually and its population has decreased by -2.23% since the most recent census, which recorded a population of 52,459 in 2020.

The median household income in Florissant is $66,344 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. For every 100 females there are 91.3 males.

51.3K
Total Population
4,086
Density (mi²)
-33 -0.06%
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)