| Place Name | Florissant |
| Place Type | City |
| ZIP Code(s) | 63031 63033 |
| County | Saint Louis County |
| Area Code(s) | 314 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 52,273 |
| Population Growth Rate (2010-19) | 0.72% |
| Majority Ethnicity | White 54.77% |
| Metro/Micro Stats Area | St. Louis, MO-IL |
| US Congressional District(s) | Missouri 1st |
| State House Districts | 68,69,74 |
| State Senate Districts | 13 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 54.77% |
| African American | 41.24% |
| Hispanic | 0.22% |
| Asian | 1.19% |
| Native American | 0.03% |
| Hawaiin/Pacific Islander | 2.54% |