Welcome to Saint Clair ...

The city of Saint Clair is located in Franklin County<1>.

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

While we don't have a date for the founding of Saint Clair, you might consider that their post office opened  in 1870.

A typical abbreviation for Saint Clair: St. Clair

From the  Census Estimates for 2019, Saint Clair has a population of 4,697 people<3> (see below for details).

Saint Clair is 720 feet [219 m] above sea level.<4>.

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

The area code for Saint Clair: (636)

The ZIP code for Saint Clair: 63077<5>

Websites for Saint Clair ...

Official Website: www.ci.saint-clair.mo.us/

Population Details ...

Taken from the 2019 Census Estimates, Saint Clair had an population of 4,697 people. This is a decrease of 0.57% since the 2010 Census (or an increase of 6.99% since the 2000 Census).

At the time of the 2010 Census, Saint Clair had a population of 4,724 people. This makes Saint Clair the county's 5th most populous community.

The population of Saint Clair represents 0.08% of the population of Missouri (which has 5,988,927 people), making it the state's 137th most populous community.

With a 2010 count of 4,724 people, the population of Saint Clair increased 7.61% from the 2000 Census (with a count of 4,390 people).

More information can be found on the Census Page for Saint Clair.

Communities Also Named Saint Clair ...

Using our Gazetteer, we found that there are two Missouri communities named Saint Clair: This one is located in Franklin County and the other is located in Jackson County.

Beyond Missouri, there are 27 communities that are also named Saint Clair - they are located in Alabama (2), Arkansas, Georgia, Kansas, Louisiana, Michigan, Minnesota (2), Montana, Nebraska, Nevada, Ohio (3), Ontario (3), Pennsylvania (4), Tennessee (2), Virginia and Washington.

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

Communities near Saint Clair ...

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

• Washington
  (14 miles [22.5 km] to the north)
  • Jump to our Gazetteer entry for Washington
  • Washington is located in Franklin County
  • Population from the 2020 Census: 14,243 people
  • Jump to TripAdvisor's Tourism page for Washington <6>
• Union
  (6 miles [9.7 km] to the north)
  • Note: The GPS coordinates that we are using for Union have been provided by the GNIS.<2> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Union
  • Union is located in Franklin County
  • Population from the 2020 Census: 12,094 people
  • Jump to TripAdvisor's Tourism page for Union <6>
• Sullivan
  (13 miles [20.9 km] to the southwest)
  • Note: The GPS coordinates that we are using for Sullivan have been provided by the GNIS.<2> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Sullivan
  • Sullivan is located in Franklin County
  • Population from the 2020 Census: 7,117 people
  • Jump to TripAdvisor's Tourism page for Sullivan <6>
• Pacific
  (15 miles [24.1 km] to the northeast)
  • Note: The GPS coordinates that we are using for Pacific have been provided by the GNIS.<2> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Pacific
  • Pacific is located in Franklin County
  • Population from the 2020 Census: 7,097 people
  • Former name for Pacific:
  • Franklin
  • Jump to TripAdvisor's Tourism page for Pacific <6>
• Bourbon
  (19 miles [30.6 km] to the southwest)
  • Note: The GPS coordinates that we are using for Bourbon have been provided by the GNIS.<2> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Bourbon
  • Bourbon is located in Crawford County
  • Population from the 2020 Census: 1,563 people
  • Jump to TripAdvisor's Tourism page for Bourbon <6>
• Gerald
  (18 miles [29 km] to the west)
  • Jump to our Gazetteer entry for Gerald
  • Gerald is located in Franklin County
  • Population from the 2020 Census: 1,327 people
  • Jump to TripAdvisor's Tourism page for Gerald <6>
• Marthasville
  (19 miles [30.6 km] to the north)
  • Jump to our Gazetteer entry for Marthasville
  • Marthasville is located in Warren County
  • Population from the 2020 Census: 1,198 people
  • Jump to TripAdvisor's Tourism page for Marthasville <6>
• Oak Grove
  (12 miles [19.3 km] to the southwest)
  • Jump to our Gazetteer entry for Oak Grove
  • Oak Grove is located in Franklin County
  • Population from the 2020 Census: 478 people
  • Oak Grove has also been known as:
  • Oak Grove Village
• Augusta
  (16 miles [25.7 km] to the north)
  • Note: The GPS coordinates that we are using for Augusta have been provided by the GNIS.<2> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Augusta
  • Augusta is located in Saint Charles County
  • Population from the 2020 Census: 267 people
  • Jump to TripAdvisor's Tourism page for Augusta <6>
• Lake Tekakwitha
  (15 miles [24.1 km] to the northeast)
  • Jump to our Gazetteer entry for Lake Tekakwitha
  • Lake Tekakwitha is located in Jefferson County
  • Population from the 2020 Census: 260 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 Saint Clair. Our list includes the location of those cemeteries and we provide an overhead view. See our Cemetery List for Saint Clair.

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

We also have a detailed list of newspapers that have been published in the area around Saint Clair. See our Newspapers Page for Saint Clair.

TripAdvisor Tourism Pages for Saint Clair ...

Looking for more information about Saint Clair? 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 Saint Clair, there are neighboring communities that also have Tourism pages. More information about those communities can be found on our TripAdvisor Page for Saint Clair.

Adding Saint Clair to Our Gazetteer ...

We originally found mention of Saint Clair 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 Saint Clair was in the book titled List of Post Offices in the United States (1870).

We also found Saint Clair in the book titled .<7> From that list, the Saint Clair post office opened in 1886.

For more details, see References and Mentions for Saint Clair.

Off-the-Road Links ...

The official website for Saint Clair: www.ci.saint-clair.mo.us/

The official website for Franklin County: www.franklinmo.org/

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