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The Commemorative
Quarter for
South Dakota
The Commemorative Quarter for South Dakota

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 2009, <1> Dewey had a population of 5,969 people.

At the time of the 2000 Census, Dewey represented 0.79% of the total population of South Dakota, making it the state's 32nd most populous county (out of 66 counties).

The following table shows the recent changes in population. Other than 2000, the population counts have been estimated by the Census Bureau.

Since 2000
Year-to-Year Change
20105,301-11.24%-11.19% since 2009
20085,915-0.95%-1.22% since 2007
20005,972The Last Census

More information can be found on the Dewey County Census Page for Dewey County.


Below are some of the communities located in Dewey County (for more communities, please visit our Nearby Page for Dewey County):

Community 2009
(2009vs. 2000)
Eagle Butte   93261950.6% increase  
Timber Lake   4224434.74% decrease  
Isabel   2322392.93% decrease  

Other Roadside Stops ...

About South Dakota

The Communities of South Dakota

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 2000 Census and the next count will be for the 2010 Census.

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<2>All Quarter-dollar coin images from the United States Mint.

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