Welcome to Oacoma ...
The town of Oacoma is located in Lyman County<1>.
The location of Oacoma has been provided by the Geographic Names Information System (ie- the GNIS).<2>
The pronunciation of Oacoma: oh-uh-KOH-muh<3>
While we don't have a date for the founding of Oacoma, you might consider that their post office opened in 1890.
From the Census Estimates for 2019, Oacoma has a population of 471 people<4> (see below for details).
Oacoma is 1,370 feet [418 m] above sea level.<5>.
Time Zone: Oacoma lies in the Central Time Zone (CST/CDT) and observes daylight saving time
Oacoma is located in the (605) area code.
Population Details ...
Taken from the 2019 Census Estimates, Oacoma had an population of 471 people. This is an increase of 4.43% since the 2010 Census (or an increase of 20.77% since the 2000 Census).
At the time of the 2010 Census, Oacoma had a population of 451 people (which is 12.01% of the total population of Lyman County). This makes Oacoma the county's 3rd most populous community.
The population of Oacoma represents 0.06% of the population of South Dakota (which has 814,180 people), making it the state's 168th most populous community.
With a 2010 count of 451 people, the population of Oacoma increased 15.64% from the 2000 Census (which had a count of 390 people).
More information can be found on the Census Page for Oacoma.
Communities near Oacoma ...
We have created a list of 10 communities that are near Oacoma.
- Fort Thompson
(18 miles [29 km] to the north)- Note: The GPS coordinates that we are using for Fort Thompson have been provided by the GNIS.<2> The coordinates still need to be verified.
- Jump to our Gazetteer entry for Fort Thompson
- Fort Thompson is located in Buffalo County
- Population from the 2010 Census: 1,282 people
- Jump to TripAdvisor's Tourism page for Fort Thompson <6>
- Pukwana
(10 miles [16.1 km] to the east)- Note: The GPS coordinates that we are using for Pukwana have been provided by the GNIS.<2> The coordinates still need to be verified.
- Jump to our Gazetteer entry for Pukwana
- Pukwana is located in Brule County
- Population from the 2020 Census: 303 people
- Jump to TripAdvisor's Tourism page for Pukwana <6>
- Reliance
(12 miles [19.3 km] to the northwest)- Note: The GPS coordinates that we are using for Reliance have been provided by the GNIS.<2> 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 <6>
- East Lyman
(10 miles [16.1 km] to the northwest)- Note: The GPS coordinates that we are using for East Lyman have been provided by the GNIS.<2> 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
- Ola
(16 miles [25.7 km] to the southeast) - Shelby
(14 miles [22.5 km] to the northeast) - Iona
(17 miles [27.4 km] to the south)- Jump to our Gazetteer entry for Iona
- Iona is located in Lyman County
- Estimated population in 2014: 83 people
- Jump to TripAdvisor's Tourism page for Iona <6>
- Lyman
(18 miles [29 km] to the west) - Hamill
(20 miles [32.2 km] to the southwest)- Note: The GPS coordinates that we are using for Hamill have been provided by the GNIS.<2> The coordinates still need to be verified.
- Jump to our Gazetteer entry for Hamill
- Hamill is located in Tripp County
- Population from the 2010 Census: 11 people
- Jump to TripAdvisor's Tourism page for Hamill <6>
- Kimball
(21 miles [33.8 km] to the east)- Jump to our Gazetteer entry for Kimball
- Kimball is located in Brule County
- Population from the 2020 Census: 666 people
- Jump to TripAdvisor's Tourism page for Kimball <6>
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 Oacoma. Our list includes the location of those cemeteries and we provide an overhead view. See our Cemetery List for Oacoma.
Using the information from an 1895 Atlas, we've created a list of communities that were in the area of Oacoma. 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 Oacoma.
We also have a detailed list of newspapers that have been published in the area around Oacoma. See our Newspapers Page for Oacoma.
TripAdvisor Tourism Pages for Oacoma ...
Looking for more information about Oacoma? 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 Oacoma, there are neighboring communities that also have Tourism pages. More information about those communities can be found on our TripAdvisor Page for Oacoma.
Adding Oacoma to Our Gazetteer ...
We originally found mention of Oacoma 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 Oacoma was in the document titled List of Post Offices from Cameron Blevins and Richard Helbock.<7>
From that list, the Oacoma post office opened in 1890.
We also found Oacoma in the book titled Business Atlas and Shippers' Guide (1895).
For more details, see References and Mentions for Oacoma.
Off-the-Road Links ...
Unfortunately, we don't know of a website for Oacoma. If you can help, please contact us through our Feedback Page.
The official website for State of South Dakota: sd.gov/
Footnotes ...
| <1> | If you're interested in how the shape of South Dakota's counties, including Lyman, 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> | The pronunciation we've provided is our attempt to give a phonetic pronunciation for Oacoma. 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. |
| <4> | Population counts have been provided by the U.S. Census Bureau. For more detail, please visit our Census Page for Oacoma. |
| <5> | The elevation is an estimate for the area around Oacoma - it will be higher in some places and lower in others. |
| <6> | While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program. |
| <7> | A copy of their list with background information can be found at: https://cblevins.github.io/us-post-offices/data-biography/ |