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The 2000 Census showed that Klickitat County had a population of 19,161 people. This represented 0.33% of the total population of Washington, making it the state's 30th most populous county (out of 39 counties).

From the Census Estimates for 2009<1>, Klickitat had a population of 20,554 people. This is an increase of 7.27% 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.

Since 2000
Year-to-Year Change
201020,318+6.04%-1.15% since 2009
200920,554+7.27%+0.8% since 2008
200820,391+6.42%+1.4% since 2007
200720,109+4.95%+1.23% since 2006
200619,864+3.67%+2.33% since 2005
200519,411+1.3%+0.35% since 2004
200319,328+0.87%+1.02% since 2002
200219,132-0.15%-0.4% since 2001
200119,208+0.25%+0.25% since 2000
200019,161The Last Census

Klickitat County had 8,633 Housing Units<2> at the time of the 2000 Census.

The 2000 Census shows that Klickitat County has a total area<3> of 1,904 square miles [4,931 km²]. Of this total, 1,872 square miles [4,849 km²] of the area is land, with the balance (1.67%) being water (31.8 square miles [82.4 km²]).

Using the above population and land area values, Klickitat County had a population density of 10.23 people per square mile [3.95 people/km²], making it the state's 31st 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 Klickitat County is available. The QuickFact also contains a comparison between Klickitat and the state of Washington.

Click here for the Klickitat County QuickFact (QF-53039).

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

(2009 Est)
(2000 Census)
Change in

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

(2009 Est.)
(2000 Census)
Change in
Gilliam (OR)QF-41021   SE1,6451,915-14.1%
Hood River (OR)QF-41027   SW21,88320,4117.21%
Morrow (OR)QF-41049   E11,53310,9954.89%
Sherman (OR)QF-41055   SE1,7111,934-11.53%
Wasco (OR)QF-41065   S24,14923,7911.5%
BentonQF-53005   E168,294142,47518.12%
SkamaniaQF-53059   W10,8949,87210.35%
YakimaQF-53077   NE239,054222,5817.4%

The Columbia River runs along the southern border of the county.

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About Washington

Cities, Towns and Villages of Washington

Off-the-Road Links ...

U.S. Census Bureau
Census QuickFact for Klickitat 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 Klickitat. 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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