RoadsideThoughts
A Gazetteer for the United States and Canada
Home >> State of Missouri >> Saint Charles County >> O'FallonIndex...










Learn About
The Commemorative
Quarter for
Missouri


The Commemorative Quarter for Missouri







Welcome to O'Fallon ...

The city of O'Fallon is located in Saint Charles County<1>.


The location of O'Fallon has been provided by the Geographic Names Information System (ie- the GNIS).<2>


While we don't have a date for the founding of O'Fallon, you might get a feel for it by knowing that during our research the earliest mention that we found (so far) was in a book dated 1895.

From the  Census Estimates for 2019, O'Fallon has a population of 88,595 people<3> (see below for details).

O'Fallon is 590 feet [180 m] above sea level.<4>.

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

O'Fallon is within the boundaries of the (636) area code.

The ZIP code for O'Fallon: 63366<5>

Websites for O'Fallon ...

Official Website:   www.ofallon.mo.us/

Chamber of Commerce:   www.ofallonmochamber.com/

Population Details ...

Taken from the 2019 Census Estimates, O'Fallon had an population of 88,595 people. This is an increase of 11.68% since the 2010 Census (or an increase of 91.89% since the 2000 Census).

At the time of the 2010 Census, O'Fallon had a population of 79,329 people (which is 22.01% of the total population of Saint Charles County). This makes O'Fallon the county's most populous community.

The population of O'Fallon represents 1.32% of the total population of Missouri (which has 5,988,927 people), making it the state's 7th most populous community.

With a 2010 count of 79,329 people, the population of O'Fallon increased 71.82% from the 2000 Census (which had a count of 46,169 people).

More information can be found on the Census Page for O'Fallon.

Communities Also Named O'Fallon ...

Using our Gazetteer, we found that there are two Missouri communities named O'Fallon: This one is located in Saint Charles County and the other is located in Saint Louis County.

For more information, see our Tidbits & Trivia Page for O'Fallon.

Communities near O'Fallon ...

We have created a list of 10 communities that are near O'Fallon.

  • Saint Charles
    (9 miles [14.5 km] to the east)
  • Chesterfield
    (11 miles [17.7 km] to the southeast)
  • Wentzville
    (7 miles [11.3 km] to the west)
  • Wildwood
    (14 miles [22.5 km] to the south)
    • Note: The GPS coordinates that we are using for Wildwood have been provided by the GNIS.<2> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Wildwood
    • Wildwood is located in Saint Louis County
    • Population from the 2020 Census: 35,460 people
    • Jump to TripAdvisor's Tourism page for Wildwood <6>
  • Ballwin
    (15 miles [24.1 km] to the southeast)
    • Note: The GPS coordinates that we are using for Ballwin have been provided by the GNIS.<2> 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 <6>
  • Maryland Heights
    (13 miles [20.9 km] to the east)
    • Note: The GPS coordinates that we are using for Maryland Heights have been provided by the GNIS.<2> 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
  • Hazelwood
    (18 miles [29 km] to the east)
  • Creve Coeur
    (17 miles [27.4 km] to the southeast)
    • Note: The GPS coordinates that we are using for Creve Coeur have been provided by the GNIS.<2> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Creve Coeur
    • Creve Coeur is located in Saint Louis County
    • Population from the 2020 Census: 18,624 people
  • Manchester
    (17 miles [27.4 km] to the southeast)
    • Note: The GPS coordinates that we are using for Manchester have been provided by the GNIS.<2> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Manchester
    • Manchester is located in Saint Louis County
    • Population from the 2020 Census: 18,081 people
    • Jump to TripAdvisor's Tourism page for Manchester <6>
  • Overland
    (19 miles [30.6 km] to the east)
    • Note: The GPS coordinates that we are using for Overland have been provided by the GNIS.<2> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Overland
    • Overland is located in Saint Louis County
    • Population from the 2020 Census: 15,502 people

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 O'Fallon. Our list includes the location of those cemeteries and we provide an overhead view. See our Cemetery List for O'Fallon.

Using the information from an 1895 Atlas, we've created a list of communities that were in the area of O'Fallon. 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 O'Fallon.

We also have a detailed list of newspapers that have been published in the area around O'Fallon. Our list includes 6 papers. See our Newspapers Page for O'Fallon.

TripAdvisor Tourism Pages for O'Fallon ...

Looking for more information about O'Fallon? 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.

In addition to the Tourism page for O'Fallon, there are neighboring communities that also have Tourism pages. More information about those communities can be found on our TripAdvisor Page for O'Fallon.

Adding O'Fallon to Our Gazetteer ...

We originally found mention of O'Fallon 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 O'Fallon was in the book titled Business Atlas and Shippers' Guide (1895).

We also found O'Fallon on a map (with an unknown title) dated 1904.

For more details, see References and Mentions for O'Fallon.

The official website for O'Fallon: www.ofallon.mo.us/

The official website for Saint Charles County: www.saintcharlescounty.org/

The official website for State of Missouri: https://www.mo.gov/

Footnotes ...

<1>If you're interested in how the shape of Missouri's counties, including Saint Charles, have changed over time, we recommend the Atlas of Historical County Boundaries.
<2>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.
<3>Population counts have been provided by the U.S. Census Bureau. For more detail, please visit our Census Page for O'Fallon.
<4>The elevation is an estimate for the area around O'Fallon - it will be higher in some places and lower in others.
<5>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 O'Fallon). When looking for a ZIP Code, whether O'Fallon or elsewhere, it's always best to check the website of the United States Postal Service (USPS).
<6>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.









 

Copyright 2024
All Rights Reserved

Thank you for visiting our website.

In closing, please keep in mind that we can not guarantee the accuracy or timeliness of the information on this website, so use with care. We encourage you to double-check the information that is critical to you.

If you've found an error or have additional information that you would like to share, please don't hesitate to write: Click here to contact us.

This page was last modified/updated: 10 Mar 2024