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The Commemorative
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The Commemorative Quarter for Kentucky

Time Zone: Jefferson County lies in the Eastern Time Zone (EST/EDT) and observes daylight saving time.

The community of Louisville is the Seat for Jefferson County.

Jefferson County is one of the original counties of Kentucky and was founded in 1780.

From the Census Estimates for 2009, <1> Jefferson had a population of 721,594 people. This is an increase of 4.04% since the last Census (which gave a population of 693,604 people in 2000).

At the time of the 2000 Census, Jefferson represented 17.16% of the total population of Kentucky, making it the state's most populous county (out of 120 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
2010741,096+6.85%+2.7% since 2009
2009721,594+4.04%+0.58% since 2008
2008717,414+3.43%+0.79% since 2007
2007711,766+2.62% 
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2000693,604The 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)
Jeffersontown   26,44226,6330.72% decrease  
Saint Matthews   18,75015,85218.28% increase  
Shively   16,45815,1578.58% increase  
Lyndon   11,2139,36919.68% increase  
Middletown   7,1725,74424.86% increase  

Websites for Jefferson County

Official Website:   www.loukymetro.org/

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