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The Commemorative Quarter for California

Time Zone: Napa County lies in the Pacific Time Zone (PST/PDT) and observes daylight saving time.

The community of Napa is the Seat for Napa County.

Napa County is one of the original counties of California and was founded in 1850.

From the Census Estimates for 2009, <1> Napa had a population of 134,650 people. This is an increase of 8.34% since the last Census (which gave a population of 124,279 people in 2000).

At the time of the 2000 Census, Napa represented 0.37% of the total population of California, making it the state's 34th most populous county (out of 58 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
2010136,484+9.82%+1.36% since 2009
2009134,650+8.34%+0.79% since 2008
2008133,591+7.49%+1.24% since 2007
2007131,949+6.17% 
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2000124,279The Last Census

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

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

Community 2009
Population
2000
Population
Change
(2009vs. 2000)
Napa   75,29772,5853.74% increase  
American Canyon   16,6259,77470.1% increase  
Saint Helena   5,9165,9500.57% decrease  
Calistoga   5,2505,1901.16% increase  
Yountville   3,2962,91613.03% increase  

Websites for Napa County

Official Website:   www.co.napa.ca.us/

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