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

The community of Atchison is the Seat for Atchison County.

Atchison County is one of the original counties of Kansas and was founded August 25, 1855.

From the Census Estimates for 2009, <1> Atchison had a population of 16,411 people. This is a decrease of 2.16% since the last Census (which gave a population of 16,774 people in 2000).

At the time of the 2000 Census, Atchison represented 0.62% of the total population of Kansas, making it the state's 32nd most populous county (out of 105 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
201016,924+0.89%+3.13% since 2009
200916,411-2.16%+0.23% since 2008
200816,374-2.38%-0.44% since 2007
200016,774The Last Census

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


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

Community 2009
(2009vs. 2000)
Atchison   10,43210,2321.95% increase  
Effingham   5695883.23% decrease  
Lancaster   2872911.37% decrease  
Muscotah   1962002% decrease  
Huron   85872.3% decrease  

Websites for Atchison County

Official Website:   www.atchisoncountyks.org/

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