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.
Year | Population | Change Since 2000 | Year-to-Year Change |
2010 | 5,301 | -11.24% | -11.19% since 2009 |
2009 | 5,969 | | |
2008 | 5,915 | -0.95% | -1.22% since 2007 |
2007 | 5,988 | +0.27% | |
--- | | | 2000 | 5,972 | The 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 Population | 2000 Population | Change (2009vs. 2000) |
Eagle Butte | 932 | 619 | 50.6% increase |
Timber Lake | 422 | 443 | 4.74% decrease |
Isabel | 232 | 239 | 2.93% decrease |
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