Welcome to Ajax ...
Ajax is located in Pennington County<1>.
The location of Ajax has been provided by the Geographic Names Information System (ie- the GNIS).<2>
Ajax is 3,500 feet [1,067 m] above sea level.<3> In other words, the altitude of Ajax is about ¾ mile [or ~1 km] above sea level.
Time Zone: Ajax lies in the Mountain Time Zone (MST/MDT) and observes daylight saving time
Ajax is within the (605) area code.
Communities Also Named Ajax ...
Using our Gazetteer, we found that there are 10 communities that are also named Ajax - they are located in Kentucky, Louisiana, Ontario, Oregon, Pennsylvania, Texas (2), Utah, Virginia and West Virginia.
For more information, see our Tidbits & Trivia Page for Ajax.
Communities near Ajax ...
We have created a list of 10 communities that are near Ajax.
- Rapid City
(12 miles [19.3 km] to the north)- Jump to our Gazetteer entry for Rapid City
- Rapid City is located in Pennington County
- Population from the 2020 Census: 78,864 people
- Jump to TripAdvisor's Tourism page for Rapid City <4>
- Box Elder
(16 miles [25.7 km] to the north)- Note: The GPS coordinates that we are using for Box Elder have been provided by the GNIS.<2> The coordinates still need to be verified.
- Jump to our Gazetteer entry for Box Elder
- Box Elder is located in Pennington County
- Population from the 2020 Census: 10,564 people
- Jump to TripAdvisor's Tourism page for Box Elder <4>
- Rapid Valley
(11 miles [17.7 km] to the north)- Jump to our Gazetteer entry for Rapid Valley
- Rapid Valley is located in Pennington County
- Population from the 2010 Census: 8,260 people
- Spokane ‑ Historic
(10 miles [16.1 km] to the west) - Hill City
(19 miles [30.6 km] to the west)- Note: The GPS coordinates that we are using for Hill City have been provided by the GNIS.<2> The coordinates still need to be verified.
- Jump to our Gazetteer entry for Hill City
- Hill City is located in Pennington County
- Population from the 2020 Census: 1,074 people
- Jump to TripAdvisor's Tourism page for Hill City <4>
- Johnson Siding
(18 miles [29 km] to the northwest)- Jump to our Gazetteer entry for Johnson Siding
- Johnson Siding is located in Pennington County
- Population from the 2010 Census: 659 people
- Murphy
(10 miles [16.1 km] to the north) - Sheridan ‑ Historic
(15 miles [24.1 km] to the west) - Hermosa
(4 miles [6.4 km] to the south)- Note: The GPS coordinates that we are using for Hermosa have been provided by the GNIS.<2> The coordinates still need to be verified.
- Jump to our Gazetteer entry for Hermosa
- Hermosa is located in Custer County
- Population from the 2020 Census: 409 people
- Jump to TripAdvisor's Tourism page for Hermosa <4>
- South Canyon Country Estates
(16 miles [25.7 km] to the northwest)- Note: The GPS coordinates that we are using for South Canyon Country Estates have been provided by the GNIS.<2> The coordinates still need to be verified.
- Jump to our Gazetteer entry for South Canyon Country Estates
- South Canyon Country Estates is located in Pennington County
- Population from the 2010 Census: 364 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 Ajax. Our list includes the location of those cemeteries and we provide an overhead view. See our Cemetery List for Ajax.
Using the information from an 1895 Atlas, we've created a list of communities that were in the area of Ajax. 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 Ajax.
We also have a detailed list of newspapers that have been published in the area around Ajax. See our Newspapers Page for Ajax.
TripAdvisor Tourism Pages for Ajax ...
Looking for more information about Ajax? 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.
While we are unaware of a Tourism page that is specific to Ajax, there are neighboring communities that do have Tourism pages. A map of those communities can be found with our TripAdvisor Page for Ajax.
Off-the-Road Links ...
Unfortunately, we don't know of a website for Ajax. If you can help, please contact us through our Feedback Page.
The official website for Pennington County: www.co.pennington.sd.us/
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 Pennington, 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 elevation is an estimate for the area around Ajax - it will be higher in some places and lower in others. |
| <4> | While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program. |