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The Commemorative Quarter for Oregon

The 2000 Census showed that Clackamas County had a population of 338,391 people. This represented 9.89% of the total population of Oregon, making it the state's 3rd most populous county (out of 36 counties).

From the Census Estimates for 2009<1>, Clackamas had a population of 386,143 people. This is an increase of 14.11% since the 2000 Census.

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
2010375,992+11.11%-2.63% since 2009
2009386,143+14.11%+1.29% since 2008
2008381,229+12.66%+1.5% since 2007
2007375,610+11%+1.27% since 2006
2006370,897+9.61%+1.5% since 2005
2005365,411+7.98%+1.3% since 2004
2004360,709+6.6%+1.4% since 2003
2003355,730+5.12%+1.16% since 2002
2002351,647+3.92%+1.97% since 2001
2001344,842+1.91%+1.91% since 2000
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2000338,391The Last Census

Clackamas County had 136,954 Housing Units<2> at the time of the 2000 Census.

The 2000 Census shows that Clackamas County has a total area<3> of 1,879 square miles [4,866 km²]. Of this total, only a minor amount of that area is covered by water (10.83 square miles [28.06 km²]).

Using the above population and land area values, Clackamas County had a population density of 181.1 people per square mile [69.9 people/km²], making it the state's 4th most densely populated county (out of 36 counties).

US Census QuickFacts

The Census Bureau has created documents containing demographic information that are called QuickFacts. A QuickFact that is specific to Clackamas County is available. The QuickFact also contains a comparison between Clackamas and the state of Oregon.

Click here for the Clackamas County QuickFact (QF-41005).

Below are some of the communities that are located in Clackamas County:

CommunityCensus
QuickFact
Population
(2009 Est)
Population
(2000 Census)
Change in
  Population
PortlandQF-4159000566,143529,1217%
Lake OswegoQF-414055037,52735,2786.38%
Oregon CityQF-415520031,79825,75423.47%
TualatinQF-417495026,74522,79117.35%
West LinnQF-418015025,53322,26114.7%
MilwaukieQF-414865020,84120,4901.71%
WilsonvilleQF-418280019,32713,99138.14%
CanbyQF-411075015,76512,79023.26%
GladstoneQF-412900012,20311,4386.69%
SandyQF-41652509,0685,38568.39%
MolallaQF-41494507,5905,64734.41%

Below are the counties that adjoin and form the boundaries of Clackamas County. A link to their specific Census QuickFact has been provided.

CountyCensus
QuickFact
DirectionPopulation
(2009 Est.)
Population
(2000 Census)
Change in
Population
Hood RiverQF-41027   NE21,88320,4117.21%
MarionQF-41047   SW317,981284,83411.64%
MultnomahQF-41051   NW726,855660,48610.05%
WascoQF-41065   E24,14923,7911.5%
WashingtonQF-41067   NW537,318445,34220.65%
YamhillQF-41071   W99,03784,99216.53%

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U.S. Census Bureau
Census QuickFact for Clackamas County

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>A Housing Unit is a broad term for those places where people live (whether occupied or temporarily vacant), such as a house, an apartment, a mobile home, or an area that is considered as a separate living quarter. Separate living quarters (consisting of one or more rooms) are considered to be those places where people live, sleep and eat separately from others and that have access to the outside (either directly or by a shared hallway).

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<3>The area value has been supplied by the US Census Bureau and it can be different than the geographic boundaries of Clackamas. The value given by the Census Bureau reflects their statistical (or sampling) requirements.

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<4>All Quarter-dollar coin images from the United States Mint.

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