Pendleton is a city in Umatilla County, Oregon, United States. Pendleton was named in 1868 by the county commissioners for George H. Pendleton, Democratic candidate for Vice-President in the 1864 presidential campaign. The population was 16,354 at the 2000 census. The 2010 estimate is 16,612 residents. It is the county seat of Umatilla County.Pendleton is the smaller of the two principal cities of the Pendleton-Hermiston Micropolitan Statistical Area, a micropolitan area that covers Morrow and Umatilla counties and had a combined population of 87,062 at the 2010 census.

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