Florissant, Missouri

Florissant, Missouri
Florissant City Hall sign, April 2013
Location of Florissant, Missouri
Coordinates: 38°47′59″N 90°19′37″W / 38.79972°N 90.32694°W / 38.79972; -90.32694
CountryUnited States
StateMissouri
CountySt. Louis
Founded1785
Government
 • MayorTim Lowery
 • City council
List
  • Andrew Harris (Ward 1)
  • Paul Manganelli (Ward 2)
  • Joe Eagan (Ward 3)
  • Jeff Caputa (Ward 4)
  • Keith Schildroth (Ward 5)
  • Patrick Mulcahy (Ward 6)
  • Jackie Pagano (Ward 7)
  • Robert Parson, Jr. (Ward 8)
  • Tommy Siam (Ward 9)
Area
 • Total
12.86 sq mi (33.31 km2)
 • Land12.55 sq mi (32.51 km2)
 • Water0.31 sq mi (0.80 km2)
Elevation
528 ft (161 m)
Population
 (2020)
 • Total
52,533
 • Density4,185/sq mi (1,616/km2)
Time zoneUTC-6 (Central (CST))
 • Summer (DST)UTC-5 (CDT)
ZIP Codes
63031, 63032, 63033, 63034
Area code314
FIPS code29-24778
GNIS feature ID2394777
Websitewww.florissantmo.com

Florissant (/ˈflɒrɪsənt/ ) is a city in St. Louis County, Missouri, United States, within Greater St. Louis. It is a middle-class, second-ring northern suburb of St. Louis. Based on the 2020 United States census, the city had a total population of 52,533. It is the largest city in St. Louis County.