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Welcome to Florissant ...

The city of Florissant is located in Saint Louis County<1>.

Florissant was established in 1786.

From the  Census Estimates for 2019, Florissant has a population of 51,018 people<2> (see below for details).

The community of Florissant is 510 feet [155 m] above sea level.<3>.

Time Zone: Florissant lies in the Central Time Zone (CST/CDT) and observes daylight saving time

Florissant lies within the (314) area code.

The ZIP codes for Florissant: 63031-63034<4>

Websites for Florissant ...

Official Website:

Population Details ...

Taken from the 2019 Census Estimates, Florissant had an population of 51,018 people. This is a decrease of 2.19% since the 2010 Census (or an increase of 1.03% since the 2000 Census).

At the time of the 2010 Census, Florissant had a population of 52,158 people (or 5.22% of the total population of Saint Louis County). This makes Florissant the county's most populous community.

The population of Florissant represents 0.87% of the population of Missouri (which has 5,988,927 people), making it the state's 12th most populous community.

With a 2010 count of 52,158 people, the population of Florissant increased 3.29% from the 2000 Census (which had a count of 50,497 people).

More information can be found on the Census Page for Florissant.

Communities Also Named Florissant ...

Using our Gazetteer, we found another community named Florissant - it's located in Colorado.

For more information, see our Tidbits & Trivia Page for Florissant.

Communities near Florissant ...

We have created a list of 10 communities that are near Florissant.

  • Saint Louis
    (13 miles [20.9 km] to the southeast)
  • Saint Charles
    (11 miles [17.7 km] to the west)
  • Saint Peters
    (15 miles [24.1 km] to the west)
  • Chesterfield
    (15 miles [24.1 km] to the southwest)
  • University City
    (8 miles [12.9 km] to the south)
    • Jump to our Gazetteer entry for University City
    • University City is located in Saint Louis City
    • Population from the 2020 Census: 34,049 people
  • Ballwin
    (18 miles [29 km] to the southwest)
    • Note: The GPS coordinates that we are using for Ballwin have been provided by the GNIS.<6> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Ballwin
    • Ballwin is located in Saint Louis County
    • Population from the 2020 Census: 30,094 people
    • Jump to TripAdvisor's Tourism page for Ballwin <5>
  • Granite City
    (11 miles [17.7 km] to the southeast)
  • Kirkwood
    (14 miles [22.5 km] to the south)
    • Jump to our Gazetteer entry for Kirkwood
    • Kirkwood is located in Saint Louis County
    • Population from the 2020 Census: 27,866 people
  • Maryland Heights
    (9 miles [14.5 km] to the southwest)
    • Note: The GPS coordinates that we are using for Maryland Heights have been provided by the GNIS.<6> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Maryland Heights
    • Maryland Heights is located in Saint Louis County
    • Population from the 2020 Census: 26,895 people
  • Alton
    (10 miles [16.1 km] to the northeast)
    • Jump to our Gazetteer entry for Alton
    • Alton is located in Madison County (IL)
    • Population from the 2020 Census: 26,049 people
    • Jump to TripAdvisor's Tourism page for Alton <5>

To Help With Your Genealogy Research ...

We have a couple of sections for those tracing their genealogy.

We created a list of cemeteries that are in the area around Florissant. Our list includes the location of those cemeteries and we provide an overhead view. See our Cemetery List for Florissant.

Using the information from an 1895 Atlas, we've created a list of communities that were in the area of Florissant. Our list includes information such as whether the 1895 community had a post office or railroad service. See our List of 1890's Communities around Florissant.

We also have a detailed list of newspapers that have been published in the area around Florissant. Our list includes 4 papers. See our Newspapers Page for Florissant.

TripAdvisor Tourism Pages for Florissant ...

Looking for more information about Florissant? A wonderful source is the TripAdvisor website. We always start with the TripAdvisor Tourism page, where you can read an overview with links that will help you find lodging, restaurants and attractions.

While we are unaware of a Tourism page that is specific to Florissant, there are neighboring communities that do have Tourism pages. A map of those communities can be found with our TripAdvisor Page for Florissant.

Adding Florissant to Our Gazetteer ...

We originally found mention of Florissant in both the FIPS-55 and the GNIS. For more information, see the FIPS and GNIS Codes sections on our Miscellaneous Page.

From our notes, the earliest published mention we've found for Florissant was in the book titled Business Atlas and Shippers' Guide (1895).

We also found Florissant on a map (with an unknown title) dated 1904.

For more details, see References and Mentions for Florissant.

The official website for Florissant:

The official website for Saint Louis County:

The official website for State of Missouri:

Footnotes ...

<1>If you're interested in how the shape of Missouri's counties, including Saint Louis, have changed over time, we recommend the Atlas of Historical County Boundaries.
<2>Population counts have been provided by the U.S. Census Bureau. For more detail, please visit our Census Page for Florissant.
<3>The elevation is an estimate for the area around Florissant - it will be higher in some places and lower in others.
<4>ZIP Codes have been created by the United States Postal Service (USPS) as a way of grouping addresses to make delivery more efficient. The boundaries of the ZIP Code can be changed, re-assigned, eliminated or overlapped with other ZIP Codes. So keep in mind that any given ZIP Code is only 'loosely' associated with a city (such as Florissant). When looking for a ZIP Code, whether Florissant or elsewhere, it's always best to check the website of the United States Postal Service (USPS).

Our list of ZIP Codes for Florissant includes: 63031, 63032, 63033 & 63034.
<5>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.
<6>The location has been supplied by the Geographic Names Information System - which is maintained by the U.S. Geological Survey (USGS). While these values should be definitive, we found that accuracy can vary and you should double-check the location if accuracy is required.


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This page was last modified/updated: 07 Apr 2024