Learn About
The Commemorative
Quarter for
South Dakota
The Commemorative Quarter for South Dakota

Time Zone: The communities of Stanley County are split between two time zones. Some communities are located in the Central Time Zone (CST/CDT) and they observe daylight saving time. The other communities are located in the Mountain Time Zone (MST/MDT) and they observe daylight saving time.

The community of Fort Pierre is the Seat for Stanley County.

Stanley County was founded in 1873.

From the Census Estimates for 2009, <1> Stanley had a population of 2,792 people. This is an increase of 0.72% since the last Census (which gave a population of 2,772 people in 2000).

At the time of the 2000 Census, Stanley represented 0.37% of the total population of South Dakota, making it the state's 53rd 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
20102,966+7%+6.23% since 2009
20092,792+0.72%+1.09% since 2008
20082,762-0.36%-1.25% since 2007
20002,772The Last Census

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


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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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