Learn About
The Commemorative
Quarter for
The Commemorative Quarter for Washington

Time Zone: Mason County lies in the Pacific Time Zone (PST/PDT) and observes daylight saving time.

The community of Shelton is the Seat for Mason County.

Mason County was founded in 1854 and was created by taking area from KingCounty.

From the Census Estimates for 2009, <1> Mason had a population of 58,016 people. This is an increase of 17.43% since the last Census (which gave a population of 49,405 people in 2000).

At the time of the 2000 Census, Mason represented 0.84% of the total population of Washington, making it the state's 20th most populous county (out of 39 counties).

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
201060,699+22.86%+4.62% since 2009
200958,016+17.43%+0.52% since 2008
200857,717+16.82%+1.57% since 2007
200049,405The Last Census

More information can be found on the Mason County Census Page for Mason County.


Websites for Mason County

Official Website:   www.co.mason.wa.us/

If you know of a history or genealogy society whose interest includes Mason County, would you please send us the URL for their website? We would like to add their link to our Gazetteer. To contact us, please visit our Feedback Page.

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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>All Quarter-dollar coin images from the United States Mint.

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