Florissant is a city in St. Louis County, Missouri, home to about 51,773 people across 13 square miles. Its ZIP codes are 63031 and 63033.
Homes sold for a median of $133 per square foot across 2 ZIP codes in the three months ending August 2026, and all of them were seller’s markets.
Mostly Florissant; also Hazelwood
Mostly Florissant; also Black Jack
Each card is that ZIP code’s whole market, including any part outside Florissant. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Florissant’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | St. Louis Lambert International Airport (STL)5 miles away |
|---|---|
| Nearest city of 250,000+ | St. Louis, MO12 miles away |
| Nearest city of 1 million+ | Chicago, IL251 miles away |
Straight-line distances from the center of Florissant; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Florissant had 52,533 residents in the 2020 census, up 4% since 2000.
It’s the 13th largest of 1,060 towns in Missouri by population.
St. Louis County grew from 50,040 residents in 1900 to 1,004,125 in 2020.
St. Louis County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 90°F in summer, and winter lows average 24°F. About 41.7 inches of rain and melted snow fall in a typical year, with about 17 inches of snow.
Source: NOAA 1991–2020 climate normals, St Louis Lambert Intl Ap, MO weather station (5 miles away).
629,036 jobs at 29,717 businesses in St. Louis County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
652 doctors and other health care providers list an office in Florissant’s ZIP codes.
Nearest hospitals
Providers with an office here
| Primary care doctors | 58 |
|---|---|
| Specialist doctors | 69 |
| Dentists | 57 |
| Nurse practitioners and physician assistants | 95 |
| Mental health providers | 219 |
| Physical and occupational therapists | 118 |
| Optometrists | 16 |
| Chiropractors | 20 |
| Pharmacies | 26 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (19 nearby)
Grocery stores (8 nearby)
Pharmacies (9 nearby)
Libraries (3 nearby)
Museums
Theaters and performance venues (1 nearby)
Counts are within about 2.5 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Established in 1785.
Notable people born here
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Hazelwood, Ferguson-Florissant R-II, Specl. Sch. Dst. St. Louis Co.. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Brown Elem.Florissant | Pre-K–5 | 441 | Public | 2.0 mi |
| Central Early Childhood CenterFlorissant | Pre-K | 113 | Public | 2.1 mi |
| Cold Water Elem.Florissant | Pre-K–5 | 449 | Public | 1.6 mi |
| Commons Lane ElementaryFlorissant | Pre-K–2 | 351 | Public | 2.0 mi |
| Duchesne ElementaryFlorissant | Pre-K–2 | 269 | Public | 1.2 mi |
| East Early Childhood CenterFlorissant | Pre-K | 86 | Public | 4.4 mi |
| Jamestown Elem.Florissant | Pre-K–5 | 314 | Public | 3.6 mi |
| Jury Elem.Florissant | Pre-K–5 | 480 | Public | 2.8 mi |
| Lawson Elem.Florissant | Pre-K–5 | 316 | Public | 1.9 mi |
| Lusher Elem.Florissant | Pre-K–5 | 371 | Public | 1.8 mi |
| Mccurdy Elem.Florissant | Pre-K–5 | 538 | Public | 1.3 mi |
| Parker Road ElementaryFlorissant | Pre-K–2 | 401 | Public | 1.0 mi |
| Townsend Elem.Florissant | Pre-K–5 | 351 | Public | 4.4 mi |
| Walker Elem.Florissant | Pre-K–5 | 508 | Public | 1.2 mi |
| AckermanFlorissant | K–8 | 137 | Public | 2.1 mi |
| Elem. Special Programs Dept.Florissant | K–6 | — | Special Education | 2.0 mi |
| Combs ElementaryFlorissant | 3–5 | 293 | Public | 0.9 mi |
| Halls Ferry ElementaryFlorissant | 3–5 | 394 | Public | 1.4 mi |
| Robinwood ElementaryFlorissant | 3–5 | 321 | Public | 1.6 mi |
| Central MiddleFlorissant | 6–8 | 692 | Public | 3.6 mi |
| Northwest MiddleFlorissant | 6–8 | 770 | Public | 1.7 mi |
| Wedgwood 6th Grade CenterFlorissant | 6 | 268 | Public | 1.1 mi |
| Cross Keys MiddleFlorissant | 7–8 | 608 | Public | 0.9 mi |
| Hazelwood Central HighFlorissant | 9–12 | 1,718 | Public | 2.0 mi |
| Mccluer HighFlorissant | 9–12 | 1,075 | Public | 2.2 mi |
| Mccluer North HighFlorissant | 9–12 | 1,059 | Public | 1.2 mi |
| NorthviewFlorissant | 9–12 | 132 | Public | 2.0 mi |
| North TechnicalFlorissant | 10–12 | 833 | Career and Technical | 2.1 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| All Saints Academy - St Norbert CampusFlorissant | Pre-K–8 | 211 | Roman Catholic | 2.5 mi |
| Atonement Lutheran SchoolFlorissant | Pre-K–8 | 10 | Evangelical Lutheran Church in America | 0.4 mi |
| North County Christian SchoolFlorissant | Pre-K–12 | 258 | Christian (no specific denomination) | 1.8 mi |
| Oak BridgeFlorissant | Pre-K–6 | 38 | Nonsectarian | 2.5 mi |
| Sacred Heart Catholic SchoolFlorissant | Pre-K–8 | 363 | Roman Catholic | 0.7 mi |
| Salem Lutheran SchoolBlack Jack | Pre-K–8 | 105 | Lutheran Church–Missouri Synod | 3.3 mi |
| Grace Christian AcademyFlorissant | K–8 | 54 | Christian (no specific denomination) | 1.2 mi |
| Marygrove Services, Inc.Florissant | 4–9 | 2 | Roman Catholic | 2.4 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Black Jack and Hazelwood.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.