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

Time Zone: Buffalo County lies in the Central Time Zone (CST/CDT) and observes daylight saving time.

The community of Gannvalley is the Seat for Buffalo County.

Buffalo County was founded in 1873.

From the Census Estimates for 2009, <1> Buffalo had a population of 2,067 people. This is an increase of 1.72% since the last Census (which gave a population of 2,032 people in 2000).

At the time of the 2000 Census, Buffalo represented 0.27% of the total population of South Dakota, making it the state's 61st 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
20101,912-5.91%-7.5% since 2009
20092,067+1.72%-3.23% since 2008
20082,136+5.12%+2.74% since 2007
20002,032The Last Census

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


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

Community 2009
(2009vs. 2000)
Crow Creek   1,8681,8331.91% increase  
North Buffalo   --108 
Southeast Buffalo   --41 

Other Roadside Stops ...

About South Dakota

Visit our Community Index for 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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