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

The community of Elkader is the Seat for Clayton County.

Clayton County was founded December 21, 1837.

From the Census Estimates for 2009, <1> Clayton had a population of 17,463 people. This is a decrease of 6.5% since the last Census (which gave a population of 18,678 people in 2000).

At the time of the 2000 Census, Clayton represented 0.64% of the total population of Iowa, making it the state's 39th 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
201018,129-2.94%+3.81% since 2009
200917,463-6.5%-0.52% since 2008
200817,555-6.01%-0.74% since 2007
200018,678The Last Census

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


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

Community 2009
(2009vs. 2000)
Guttenberg   1,8791,9875.44% decrease  
Monona   1,4161,5508.65% decrease  
Elkader   1,3311,4659.15% decrease  
Strawberry Point   1,2241,38611.69% decrease  
Edgewood   8879233.9% decrease  

Websites for Clayton County

Official Website:   www.claytoncountyiowa.net/

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