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Home >> State of South Dakota >> Dewey County  

Welcome to Dewey County ...

Time Zone: Dewey County lies in the Mountain Time Zone (MST/MDT) and observes daylight saving time.

The community of Timber Lake is the Seat for Dewey County.

Dewey County was founded in 1873.

From the Census Estimates for 2019, <1> Dewey had a population of 5,872 people. This is an increase of 10.77% since the last Census (which gave a population of 5,301 people in 2010).

At the time of the 2010 Census, Dewey represented 0.65% of the total population of South Dakota.

Below are some of the communities located in Dewey County:

  • Eagle Butte
    (18 miles [29 km] to the southwest)
    • Note: The GPS coordinates that we are using for Eagle Butte have been provided by the GNIS.<2> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Eagle Butte
    • Eagle Butte is located in Dewey County (SD)
    • Population from the 2020 Census: 1,418 people
    • Jump to TripAdvisor's Tourism page for Eagle Butte <3>
  • Isabel
    (24 miles [38.6 km] to the northwest)
    • Note: The GPS coordinates that we are using for Isabel have been provided by the GNIS.<2> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Isabel
    • Isabel is located in Dewey County (SD)
    • Population from the 2020 Census: 150 people
    • Jump to TripAdvisor's Tourism page for Isabel <3>
  • Timber Lake
    (15 miles [24.1 km] to the north)

Websites of Interest ...

Footnotes ...

<1>On a yearly basis, the US Census Bureau creates an estimate of the county's population. Keep in mind that this is an estimate and not an actual count. The last physical count was the 2010 Census and the next count will be for the 2020 Census.
<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>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.





 

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This page was last modified/updated: 26 Feb 2024