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

The community of Gretna is the Seat for Jefferson Parish.

Jefferson Parish was founded in 1825 and was created by taking area from OrleansParish.

From the Census Estimates for 2009, <1> Jefferson had a population of 443,342 people. This is a decrease of 2.66% since the last Census (which gave a population of 455,466 people in 2000).

At the time of the 2000 Census, Jefferson represented 10.19% of the total population of Louisiana, making it the state's 2nd most populous parish (out of 64 parishes).

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
2010432,552-5.03%-2.43% since 2009
2009443,342-2.66%-0.3% since 2008
2008444,655-2.37%+0.98% since 2007
2007440,339-3.32% 
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2000455,466The Last Census

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

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

Community 2009
Population
2000
Population
Change
(2009vs. 2000)
Kenner   67,84270,5173.79% decrease  
Gretna   16,78317,4233.67% decrease  
Westwego   10,23210,7634.93% decrease  
Harahan   9,4339,8854.57% decrease  
Jean Lafitte   2,3082,1378% increase  

Websites for Jefferson Parish

Official Website:   www.jeffparish.net/

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