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

The community of Anamosa is the Seat for Jones County.

Jones County was founded December 21, 1837.

From the Census Estimates for 2009, <1> Jones had a population of 20,364 people. This is an increase of 0.71% since the last Census (which gave a population of 20,221 people in 2000).

At the time of the 2000 Census, Jones represented 0.69% of the total population of Iowa, making it the state's 36th 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
201020,638+2.06%+1.35% since 2009
200920,364+0.71%-0.32% since 2008
200820,430+1.03%+0.13% since 2007
200020,221The Last Census

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


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

Community 2009
(2009vs. 2000)
Anamosa   5,7455,4944.57% increase  
Monticello   3,7013,6072.61% increase  
Olin   7017162.09% decrease  
Wyoming   5896265.91% decrease  
Oxford Junction   5475734.54% decrease  

Websites for Jones County

Official Website:   www.co.jones.ia.us/

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