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The Commemorative
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The Commemorative Quarter for Oregon

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

The community of Madras is the Seat for Jefferson County.

Jefferson County was founded in 1914 and was created by taking area from CrookCounty.

From the Census Estimates for 2009, <1> Jefferson had a population of 19,959 people. This is an increase of 5% since the last Census (which gave a population of 19,009 people in 2000).

At the time of the 2000 Census, Jefferson represented 0.56% of the total population of Oregon, making it the state's 27th most populous county (out of 36 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
201021,720+14.26%+8.82% since 2009
200919,959+5%-2.04% since 2008
200820,375+7.19%-0.71% since 2007
200019,009The Last Census

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


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

Community 2009
(2009vs. 2000)
Madras   5,8205,07814.61% increase  
Culver   1,08280234.91% increase  
Metolius   75363518.58% increase  

Websites for Jefferson County

Official Website:   www.co.jefferson.or.us

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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