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The Commemorative Quarter for Iowa

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

The community of Fairfield is the Seat for Jefferson County.

Jefferson County was founded January 21, 1839.

From the Census Estimates for 2009, <1> Jefferson had a population of 15,472 people. This is a decrease of 4.38% since the last Census (which gave a population of 16,181 people in 2000).

At the time of the 2000 Census, Jefferson represented 0.55% of the total population of Iowa, making it the state's 50th 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.

YearPopulationChange
Since 2000
Year-to-Year Change
201016,843+4.09%+8.86% since 2009
200915,472-4.38%+0.27% since 2008
200815,431-4.64%-0.65% since 2007
200715,532-4.01% 
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200016,181The Last Census

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

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

Community 2009
Population
2000
Population
Change
(2009vs. 2000)
Fairfield   9,2019,5093.24% decrease  
Batavia   4755005% decrease  
Libertyville   3113254.31% decrease  
Lockridge   2582756.18% decrease  
Packwood   2122234.93% decrease  

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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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