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Umatilla County Oregon

The Umatilla County Courthouse is located at 216 SE Fourth Street, Pendleton, OR 97801; phone: 541-276-7111.

Umatilla County was established in 1862 from part of Wasco County. The name Umatilla is an Indian word that translates to rippling water. Marshall Station and Umatilla City, respectively, served as county seats prior to Pendleton which was named the permanent seat of government in 1868.

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