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The Commemorative
Quarter for
The Commemorative Quarter for Washington

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

The community of Seattle is the Seat for King County.

King County was founded in 1852 and was created by taking area from ThurstonCounty.

From the Census Estimates for 2009, <1> King had a population of 1,916,441 people. This is an increase of 10.33% since the last Census (which gave a population of 1,737,034 people in 2000).

At the time of the 2000 Census, King represented 29.47% of the total population of Washington, making it the state's 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
20101,931,249+11.18%+0.77% since 2009
20091,916,441+10.33%+1.71% since 2008
20081,884,242+8.47%+1.44% since 2007
20001,737,034The Last Census

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


Below are some of the communities located in King County (for more communities, please visit our Nearby Page for King County):

Community 2009
(2009vs. 2000)
Seattle   616,627563,3749.45% increase  
Bellevue   126,626109,56915.57% increase  
Federal Way   85,82783,2593.08% increase  
Kent   85,53079,5247.55% increase  
Auburn   63,47740,31457.5% increase  

Websites for King County

Official Website:   www.metrokc.gov/

If you know of a history or genealogy society whose interest includes King 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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