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Welcome to Fort Thompson ...

Fort Thompson is located in Buffalo County<1>.

While we don't have a date for the founding of Fort Thompson, you might consider that their post office opened  in 1916.

A typical abbreviation for Fort Thompson: Ft. Thompson

From the 2010 Census (the most recent Census number we have), Fort Thompson had a population of 1,282 people.<2> (see below for details).

Fort Thompson is 1,440 feet [439 m] above sea level.<3>.

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

Area Code for Fort Thompson: 605

Communities near Fort Thompson ...

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

  • Chamberlain
    (18 miles [29 km] to the south)
    • Note: The GPS coordinates that we are using for Chamberlain have been provided by the GNIS.<4> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Chamberlain
    • Chamberlain is located in Brule County
    • Population from the 2020 Census: 2,348 people
    • Jump to TripAdvisor's Tourism page for Chamberlain <5>
  • Oacoma
    (18 miles [29 km] to the south)
    • Note: The GPS coordinates that we are using for Oacoma have been provided by the GNIS.<4> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Oacoma
    • Oacoma is located in Lyman County
    • Population from the 2020 Census: 478 people
    • Jump to TripAdvisor's Tourism page for Oacoma <5>
  • Reliance
    (15 miles [24.1 km] to the southwest)
    • Note: The GPS coordinates that we are using for Reliance have been provided by the GNIS.<4> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Reliance
    • Reliance is located in Lyman County
    • Population from the 2020 Census: 210 people
    • Jump to TripAdvisor's Tourism page for Reliance <5>
  • Stephan
    (12 miles [19.3 km] to the north)
  • East Lyman
    (14 miles [22.5 km] to the southwest)
    • Note: The GPS coordinates that we are using for East Lyman have been provided by the GNIS.<4> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for East Lyman
    • East Lyman is located in Lyman County
    • Estimated population in 2019: 145 people
  • Shelby
    (14 miles [22.5 km] to the southeast)
    • Note: The GPS coordinates that we are using for Shelby have been provided by the GNIS.<4> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Shelby
    • Shelby is located in Buffalo County
    • Estimated population in 2014: 96 people
  • Lyman
    (19 miles [30.6 km] to the southwest)
    • Note: The GPS coordinates that we are using for Lyman have been provided by the GNIS.<4> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Lyman
    • Lyman is located in Lyman County
    • Estimated population in 2014: 43 people
  • Lower Brule
    (7 miles [11.3 km] to the west)
    • Note: The GPS coordinates that we are using for Lower Brule have been provided by the GNIS.<4> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Lower Brule
    • Lower Brule is located in Lyman County
    • Population from the 2010 Census: 24 people
    • Jump to TripAdvisor's Tourism page for Lower Brule <5>
  • Crow Creek
    (13 miles [20.9 km] to the southeast)
    • Note: We haven't been able to verify our GPS coordinates for Crow Creek. Although the coordinates have been estimated, they should be in the vicinity.<6>
    • Jump to our Gazetteer entry for Crow Creek
    • Crow Creek is located in Buffalo County
  • Ames
    (22 miles [35.4 km] to the northeast)
    • Jump to our Gazetteer entry for Ames
    • Ames is located in Hand County

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

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

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

TripAdvisor Tourism Pages for Fort Thompson ...

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

Adding Fort Thompson to Our Gazetteer ...

We originally found mention of Fort Thompson 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 Fort Thompson was in the document titled List of Post Offices from Cameron Blevins and Richard Helbock.<7>

X2X - From that list, the Fort Thompson post office opened in 1916.

For more details, see References and Mentions for Fort Thompson.

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

The official website for State of South Dakota: https://www.sd.gov/

Footnotes ...

<1>If you're interested in how the shape of South Dakota's counties, including Buffalo, 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 Fort Thompson.
<3>The elevation is an estimate for the area around Fort Thompson - it will be higher in some places and lower in others.
<4>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.
<5>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.
<6>An 'estimated' location is one where we have been given GPS coordinates, but are unable to verify the accuracy of those coordinates. That said, we have some confidence that we have placed the marker near the actual location. A typical reason for being unable to verify a location is that it might be on private property or maybe historic and gone without an obvious trace.
<7>A copy of their list with background information can be found at:

      https://cblevins.github.io/us-post-offices/data-biography/









 

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This page was last modified/updated: 29 Apr 2025