Learn About
The Commemorative
Quarter for
The Commemorative Quarter for Oregon

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

The community of Pendleton is the Seat for Umatilla County.

Umatilla County was founded in 1862 and was created by taking area from WascoCounty.

From the Census Estimates for 2009, <1> Umatilla had a population of 73,347 people. This is an increase of 3.97% since the last Census (which gave a population of 70,548 people in 2000).

At the time of the 2000 Census, Umatilla represented 2.06% of the total population of Oregon, making it the state's 13th most populous county (out of 36 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
201075,889+7.57%+3.47% since 2009
200973,347+3.97%+0.77% since 2008
200070,548The Last Census

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


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

Community 2009
(2009vs. 2000)
Pendleton   16,45016,3540.59% increase  
Hermiston   15,32513,15416.5% increase  
Milton-Freewater   6,3196,4702.33% decrease  
Umatilla   6,3024,97826.6% increase  
Stanfield   1,9471,9791.62% decrease  

Websites for Umatilla County

Official Website:   www.co.umatilla.or.us/

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

Other Roadside Stops ...

About Oregon

Search for a Community in Oregon

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.

- Return to Citation

<2>All Quarter-dollar coin images from the United States Mint.

- Return to Citation