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The Commemorative Quarter for Washington

The 2000 Census showed that Clark County had a population of 345,238 people. This represented 5.86% of the total population of Washington, making it the state's 5th most populous county (out of 39 counties).

From the Census Estimates for 2009<1>, Clark had a population of 432,002 people. This is an increase of 25.13% 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
2010425,363+23.21%-1.54% since 2009
2009432,002+25.13%+1.73% since 2008
2008424,666+23.01%+1.92% since 2007
2007416,662+20.69%+2.09% since 2006
2006408,140+18.22%+2.15% since 2005
2005399,553+15.73%+2.67% since 2004
2004389,151+12.72%+3.16% since 2003
2003377,233+9.27%+2.32% since 2002
2002368,690+6.79%+2.84% since 2001
2001358,517+3.85%+3.85% since 2000
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2000345,238The Last Census

Clark County had 134,030 Housing Units<2> at the time of the 2000 Census.

The 2000 Census shows that Clark County has a total area<3> of 656 square miles [1,699 km²]. Of this total, 628 square miles [1,627 km²] of the area is land, with the balance (4.27%) being water (27.99 square miles [72.5 km²]).

Using the above population and land area values, Clark County had a population density of 549 people per square mile [212.2 people/km²], making it the state's 3rd most densely populated county (out of 39 counties).

US Census QuickFacts

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

Click here for the Clark County QuickFact (QF-53011).

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

CommunityCensus
QuickFact
Population
(2009 Est)
Population
(2000 Census)
Change in
  Population
VancouverQF-5374060165,742143,56015.45%
CamasQF-530948018,26312,53445.71%
Battle GroundQF-530447517,3469,29686.6%
WashougalQF-537640513,8028,59560.58%

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

CountyCensus
QuickFact
DirectionPopulation
(2009 Est.)
Population
(2000 Census)
Change in
Population
Columbia (OR)QF-41009   NW49,59243,56013.85%
Multnomah (OR)QF-41051   S726,855660,48610.05%
CowlitzQF-53015   N101,96692,9489.7%
SkamaniaQF-53059   NE10,8949,87210.35%

The Columbia River runs along the western and southern borders of the county.

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U.S. Census Bureau
Census QuickFact for Clark 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 Clark. 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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