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The Commemorative
Quarter for
The Commemorative Quarter for Kansas

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

The community of Wellington is the Seat for Sumner County.

Sumner County was founded December 20, 1870 and was created by taking area from ButlerCounty.

From the Census Estimates for 2009, <1> Sumner had a population of 23,488 people. This is a decrease of 9.47% since the last Census (which gave a population of 25,946 people in 2000).

At the time of the 2000 Census, Sumner represented 0.97% of the total population of Kansas, making it the state's 23rd 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
201024,132-6.99%+2.74% since 2009
200923,488-9.47%-0.76% since 2008
200823,668-8.78%-0.37% since 2007
200025,946The Last Census

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


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

Community 2009
(2009vs. 2000)
Wellington   7,6778,64711.22% decrease  
Belle Plaine   1,5191,70811.07% decrease  
Conway Springs   1,1861,32210.29% decrease  
Caldwell   1,1341,28411.68% decrease  
Oxford   1,0671,1739.04% decrease  

Websites for Sumner County

Official Website:   www.co.sumner.ks.us/

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