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The Commemorative
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The Commemorative Quarter for California

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

The community of Sonora is the Seat for Tuolumne County.

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

From the Census Estimates for 2009, <1> Tuolumne had a population of 55,175 people. This is an increase of 1.24% since the last Census (which gave a population of 54,501 people in 2000).

At the time of the 2000 Census, Tuolumne represented 0.16% of the total population of California, making it the state's 42nd 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
201055,365+1.59%+0.34% since 2009
200955,175+1.24%-0.79% since 2008
200855,616+2.05%-0.12% since 2007
200755,681+2.17% 
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200054,501The Last Census

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

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Websites for Tuolumne County

Official Website:   www.tuolumnecounty.ca.gov

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