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The 2000 Census showed that Tillamook County had a population of 24,262 people. This represented 0.71% of the total population of Oregon, making it the state's 22nd most populous county (out of 36 counties).

From the Census Estimates for 2009<1>, Tillamook had a population of 24,889 people. This is an increase of 2.58% 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
201025,250+4.07%+1.45% since 2009
200924,889+2.58% 
200824,907+2.66%-0.46% since 2007
200725,023+3.14%+0.28% since 2006
200624,952+2.84%+0.62% since 2005
200524,798+2.21%+0.62% since 2004
200424,644+1.57%+0.7% since 2003
200324,473+0.87%+0.53% since 2002
200224,345+0.34% 
200124,335+0.3%+0.3% since 2000
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200024,262The Last Census

Tillamook County had 15,906 Housing Units<2> at the time of the 2000 Census.

The 2000 Census shows that Tillamook County has a total area<3> of 1,332 square miles [3,451 km²]. Of this total, 1,102 square miles [2,854 km²] of the area is land, with the balance (17.3%) being water (230.6 square miles [597 km²]).

Using the above population and land area values, Tillamook County had a population density of 22.01 people per square mile [8.5 people/km²], making it the state's 18th 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 Tillamook County is available. The QuickFact also contains a comparison between Tillamook and the state of Oregon.

Click here for the Tillamook County QuickFact (QF-41057).

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

CommunityCensus
QuickFact
Population
(2009 Est)
Population
(2000 Census)
Change in
  Population

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

CountyCensus
QuickFact
DirectionPopulation
(2009 Est.)
Population
(2000 Census)
Change in
Population
ClatsopQF-41007   N37,24335,6304.53%
ColumbiaQF-41009   NE49,59243,56013.85%
LincolnQF-41041   S46,29344,4794.08%
PolkQF-41053   SE78,12262,38025.24%
WashingtonQF-41067   E537,318445,34220.65%
YamhillQF-41071   SE99,03784,99216.53%

The western boundary of the county is on the Pacific Ocean.

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U.S. Census Bureau
Census QuickFact for Tillamook 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 Tillamook. 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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