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Welcome to Cahokia ...

The village of Cahokia is located in Saint Clair County<1>.

The pronunciation of Cahokia: kuh-HOH-kee-uh<2>

From the  Census Estimates for 2019, Cahokia has a population of 13,889 people<3> (see below for details).

Cahokia is 410 feet [125 m] above sea level.<4>.

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

Cahokia lies within the (618) area code.

We don't have a date for the establishment of Cahokia.

Population Details ...

Taken from the 2019 Census Estimates, Cahokia had an population of 13,889 people. This is a decrease of 8.87% since the 2010 Census (or a decrease of 15.26% since the 2000 Census).

At the time of the 2010 Census, Cahokia had a population of 15,241 people (which is 5.64% of the total population of Saint Clair County). This makes Cahokia the county's 5th most populous community.

The population of Cahokia represents 0.12% of the population of Illinois (which has 12,830,632 people), making it the state's 163rd most populous community.

With a 2010 count of 15,241 people, the population of Cahokia decreased 7.02% from the 2000 Census (which had a count of 16,391 people).

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

Communities near Cahokia ...

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

  • Florissant
    • Jump to our Gazetteer entry for Florissant
    • Florissant lies 16 miles [25.7 km]<5> to the northwest of Cahokia.
    • Population from the 2020 Census: 50,795 people
    • Jump to Google Maps centered on Florissant
  • Belleville
  • University City
    • Jump to our Gazetteer entry for University City
    • University City lies 10 miles [16.1 km]<5> to the northwest of Cahokia.
    • Population from the 2020 Census: 34,049 people
    • Jump to Google Maps centered on University City
  • Ballwin
    • Jump to our Gazetteer entry for Ballwin
    • Ballwin lies 19 miles [30.6 km]<5> to the west of Cahokia.
    • Population from the 2020 Census: 30,094 people
    • Note: The GPS coordinates that we are using for Ballwin have been provided by the GNIS.<7> The coordinates still need to be verified.
    • Jump to Google Maps centered on Ballwin
    • Jump to TripAdvisor's Tourism page for Ballwin<6>
  • O'Fallon
  • Granite City
  • Kirkwood
    • Jump to our Gazetteer entry for Kirkwood
    • Kirkwood lies 11 miles [17.7 km]<5> to the west of Cahokia.
    • Population from the 2020 Census: 27,866 people
    • Jump to Google Maps centered on Kirkwood
  • Maryland Heights
    • Jump to our Gazetteer entry for Maryland Heights
    • Maryland Heights lies 18 miles [29 km]<5> to the northwest of Cahokia.
    • Population from the 2020 Census: 26,895 people
    • Note: The GPS coordinates that we are using for Maryland Heights have been provided by the GNIS.<7> The coordinates still need to be verified.
    • Jump to Google Maps centered on Maryland Heights
  • Hazelwood
  • Collinsville

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

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

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

TripAdvisor Tourism Pages for Cahokia ...

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

Adding Cahokia to Our Gazetteer ...

We originally found mention of Cahokia 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 that we've found for Cahokia was the U.S. Post Offices (1803).

We also found Cahokia in the U.S. Post Offices (Oct. 1846).

For more details about the above, see References and Mentions for Cahokia.

Unfortunately, we don't know of a website for Cahokia. If you can help, please contact us through our Feedback Page.

The official website for Saint Clair County:

The official website for State of Illinois:

Footnotes ...

<1>If you're interested in how the shape of Illinois' counties, including Saint Clair, have changed over time, we recommend the Atlas of Historical County Boundaries.
<2>The pronunciation we've provided is our attempt to give a phonetic pronunciation for Cahokia. While it might not be exactly right, hopefully it will be close. If we have it wrong or there's a better way to pronounce the name, please contact us through our Feedback Page.
<3>Population counts have been provided by the U.S. Census Bureau. For more detail, please visit our Census Page for Cahokia.
<4>The elevation is an estimate for the area around Cahokia - it will be higher in some places and lower in others.
<5>Our distances are not driving distances, but are calculated as a 'point-to-point' distance. A straight line distance ignores obstructions like rivers, canyons, lakes, et cetera - it's truly a line from Point A (ie- Cahokia) to Point B.If you need the driving distance (or directions), we recommend that you use one of the Mapping Services listed on our Map Page for Cahokia. Since we usually use Google Maps for our own planning, we've provided the following link: Google Map and Driving Directions starting from CahokiaOur distance measurements begin at a specific point in Cahokia. The point we use is located at these GPS coordinates - Latitude: 38.5723, Longitude: -90.1879    
<6>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.
<7>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: 23 Mar 2023