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The Commemorative Quarter for South Dakota

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

The community of Aberdeen is the Seat for Brown County.

Brown County was founded in 1879 and was created by taking area from BeadleCounty.

From the Census Estimates for 2009, <1> Brown had a population of 35,204 people. This is a decrease of 0.72% since the last Census (which gave a population of 35,460 people in 2000).

At the time of the 2000 Census, Brown represented 4.7% of the total population of South Dakota, making it the state's 3rd 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
201036,531+3.02%+3.77% since 2009
200935,204-0.72%+0.51% since 2008
200835,024-1.23%-0.15% since 2007
200035,460The Last Census

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


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

Community 2009
(2009vs. 2000)
Aberdeen   24,99224,6581.35% increase  
Groton   1,4161,3564.42% increase  
Warner   4454196.21% increase  
Hecla   2953146.05% decrease  
Frederick   2402555.88% decrease  

Websites for Brown County

Official Website:   www.brown.sd.us/

If you know of a history or genealogy society whose interest includes Brown County, would you please send us the URL for their website? We would like to add their link to our Gazetteer. To contact us, please visit our Feedback Page.

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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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