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The Commemorative
Quarter for
The Commemorative Quarter for Oregon

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

The community of Oregon City is the Seat for Clackamas County.

Clackamas County is one of the original counties of Oregon and was founded in 1843.

From the Census Estimates for 2009, <1> Clackamas had a population of 386,143 people. This is an increase of 14.11% since the last Census (which gave a population of 338,391 people in 2000).

At the time of the 2000 Census, Clackamas represented 9.89% of the total population of Oregon, making it the state's 3rd 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
2010375,992+11.11%-2.63% since 2009
2009386,143+14.11%+1.29% since 2008
2008381,229+12.66%+1.5% since 2007
2000338,391The Last Census

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


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

Community 2009
(2009vs. 2000)
Portland   566,143529,1217% increase  
Lake Oswego   37,52735,2786.38% increase  
Oregon City   31,79825,75423.47% increase  
Tualatin   26,74522,79117.35% increase  
West Linn   25,53322,26114.7% increase  

Websites for Clackamas County

Official Website:   www.co.clackamas.or.us/

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