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

The community of Osceola is the Seat for Clarke County.

Clarke County was founded January 13, 1846 and was created by taking area from LucasCounty.

From the Census Estimates for 2009, <1> Clarke had a population of 9,086 people. This is a decrease of 0.51% since the last Census (which gave a population of 9,133 people in 2000).

At the time of the 2000 Census, Clarke represented 0.31% of the total population of Iowa, making it the state's 84th most populous county (out of 99 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
20109,286+1.68%+2.2% since 2009
20089,085-0.53%+0.75% since 2007
20009,133The Last Census

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


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

Community 2009
(2009vs. 2000)
Osceola   4,7684,6592.34% increase  
Murray   7947663.66% increase  
Woodburn   2382442.46% decrease  

Websites for Clarke County

Official Website:   www.clarkecountyia.org/

If you know of a history or genealogy society whose interest includes Clarke 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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About Iowa

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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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