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The Commemorative Quarter for Washington

The 2000 Census showed that Mason County had a population of 49,405 people. This represented 0.84% of the total population of Washington, making it the state's 20th most populous county (out of 39 counties).

From the Census Estimates for 2009<1>, Mason had a population of 58,016 people. This is an increase of 17.43% 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
201060,699+22.86%+4.62% since 2009
200958,016+17.43%+0.52% since 2008
200857,717+16.82%+1.57% since 2007
200756,823+15.01%+2.82% since 2006
200655,265+11.86%+2.56% since 2005
200553,884+9.07%+2.11% since 2004
200452,771+6.81%+2.34% since 2003
200351,564+4.37%+1.7% since 2002
200250,701+2.62%+1.41% since 2001
200149,994+1.19%+1.19% since 2000
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200049,405The Last Census

Mason County had 25,515 Housing Units<2> at the time of the 2000 Census.

The 2000 Census shows that Mason County has a total area<3> of 1,051 square miles [2,722 km²]. Of this total, 961 square miles [2,489 km²] of the area is land, with the balance (8.56%) being water (90 square miles [233 km²]).

Using the above population and land area values, Mason County had a population density of 51.4 people per square mile [19.85 people/km²], making it the state's 15th 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 Mason County is available. The QuickFact also contains a comparison between Mason and the state of Washington.

Click here for the Mason County QuickFact (QF-53045).

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

CountyCensus
QuickFact
DirectionPopulation
(2009 Est.)
Population
(2000 Census)
Change in
Population
Grays HarborQF-53027   SW71,79767,1946.85%
JeffersonQF-53031   N29,67625,95314.35%
KitsapQF-53035   NE240,862231,9693.83%
PierceQF-53053   E796,836700,82013.7%
ThurstonQF-53067   SE250,979207,35521.04%

The eastern boundary of the county is on Pudget Sound.

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U.S. Census Bureau
Census QuickFact for Mason 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 Mason. 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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