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The Commemorative
Quarter for
The Commemorative Quarter for Wyoming

Time Zone: Sheridan County lies in the Mountain Time Zone (MST/MDT) and observes daylight saving time.

The community of Sheridan is the Seat for Sheridan County.

Sheridan County was founded in 1888 and was created by taking area from JohnsonCounty.

From the Census Estimates for 2009, <1> Sheridan had a population of 29,163 people. This is an increase of 9.8% since the last Census (which gave a population of 26,560 people in 2000).

At the time of the 2000 Census, Sheridan represented 5.38% of the total population of Wyoming, making it the state's 7th most populous county (out of 23 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
201029,116+9.62%-0.16% since 2009
200929,163+9.8%+1.96% since 2008
200828,601+7.68%+2.34% since 2007
200026,560The Last Census

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


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

Community 2009
(2009vs. 2000)
Sheridan   17,46115,80410.48% increase  
Ranchester   82270117.26% increase  
Dayton   79467817.11% increase  
Clearmont   1141150.87% decrease  

Websites for Sheridan County

Official Website:   www.sheridancounty.com/

If you know of a history or genealogy society whose interest includes Sheridan 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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