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The Commemorative
Quarter for
The Commemorative Quarter for California

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

The community of Woodland is the Seat for Yolo County.

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

From the Census Estimates for 2009, <1> Yolo had a population of 199,407 people. This is an increase of 18.23% since the last Census (which gave a population of 168,660 people in 2000).

At the time of the 2000 Census, Yolo represented 0.5% of the total population of California, making it the state's 28th 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.

Since 2000
Year-to-Year Change
2010200,849+19.09%+0.72% since 2009
2009199,407+18.23%+1.42% since 2008
2008196,619+16.58%+1.4% since 2007
2000168,660The Last Census

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


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

Community 2009
(2009vs. 2000)
Davis   62,94760,3084.38% increase  
Woodland   55,27049,15112.45% increase  
West Sacramento   47,88531,61551.5% increase  
Winters   7,0116,12514.47% increase  

Websites for Yolo County

Official Website:   www.yolocounty.org/

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