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.
Year | Population | Change Since 2000 | Year-to-Year Change |
2010 | 425,363 | +23.21% | -1.54% since 2009 |
2009 | 432,002 | +25.13% | +1.73% since 2008 |
2008 | 424,666 | +23.01% | +1.92% since 2007 |
2007 | 416,662 | +20.69% | +2.09% since 2006 |
2006 | 408,140 | +18.22% | +2.15% since 2005 |
2005 | 399,553 | +15.73% | +2.67% since 2004 |
2004 | 389,151 | +12.72% | +3.16% since 2003 |
2003 | 377,233 | +9.27% | +2.32% since 2002 |
2002 | 368,690 | +6.79% | +2.84% since 2001 |
2001 | 358,517 | +3.85% | +3.85% since 2000 |
--- | | | 2000 | 345,238 | The 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:
Below are the counties that adjoin and form the boundaries of Clark County. A link to their specific Census QuickFact has been provided.
The Columbia River runs along the western and southern borders of the county.
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