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The Commemorative
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The Commemorative Quarter for Wyoming

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

The community of Casper is the Seat for Natrona County.

Natrona County was founded in 1888 and was created by taking area from CarbonCounty.

From the Census Estimates for 2009, <1> Natrona had a population of 74,508 people. This is an increase of 11.99% since the last Census (which gave a population of 66,533 people in 2000).

At the time of the 2000 Census, Natrona represented 13.47% of the total population of Wyoming, making it the state's 2nd 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
201075,450+13.4%+1.26% since 2009
200974,508+11.99%+1.99% since 2008
200873,057+9.81%+1.73% since 2007
200066,533The Last Census

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


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

Community 2009
(2009vs. 2000)
Casper   54,87449,64410.54% increase  
Mills   3,5742,59137.94% increase  
Evansville   2,5042,25511.04% increase  
Bar Nunn   1,926936105.8% increase  
Midwest   4384087.35% increase  

Websites for Natrona County

Official Website:   www.natrona.net/

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