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.
Year | Population | Change Since 2000 | Year-to-Year Change |
2010 | 375,992 | +11.11% | -2.63% since 2009 |
2009 | 386,143 | +14.11% | +1.29% since 2008 |
2008 | 381,229 | +12.66% | +1.5% since 2007 |
2007 | 375,610 | +11% | |
--- | | | 2000 | 338,391 | The 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 Population | 2000 Population | Change (2009vs. 2000) |
Portland | 566,143 | 529,121 | 7% increase |
Lake Oswego | 37,527 | 35,278 | 6.38% increase |
Oregon City | 31,798 | 25,754 | 23.47% increase |
Tualatin | 26,745 | 22,791 | 17.35% increase |
West Linn | 25,533 | 22,261 | 14.7% increase |
Websites for Clackamas County
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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