Counties
County Formation
NAME | FORMED | PARENT COUNTY | COUNTY SEAT |
BAKER | 1862 | Wasco | Baker City |
BENTON | 1847 | Polk | Corvallis |
CHAMPOEG | 1843 | Renamed Marion | in 1849 |
CLACKAMAS | 1843 | [Original] | Oregon City |
CLATSOP | 1844 | Tuality | Astoria |
COLUMBIA | 1854 | Washington | St. Helens |
COOS | 1853 | Jackson/Umpqua | Coquille |
CROOK | 1882 | Wasco | Prineville |
CURRY | 1855 | Coos | Gold Beach |
DESCHUTES | 1916 | Crook | Bend |
DOUGLAS | 1852 | Umpqua | Roseburg |
GILLIAM | 1885 | Wasco/Morrow | Condon |
GRANT | 1864 | Umatilla/Wasco | Canyon City |
HARNEY | 1889 | Grant | Burns |
HOOD RIVER | 1908 | Wasco | Hood River |
JACKSON | 1852 | Umpqua | Medford |
JEFFERSON | 1914 | Crook | Madras |
JOSEPHINE | 1856 | Jackson | Grants Pass |
KLAMATH | 1882 | Lake | Klamath Falls |
LAKE | 1874 | Jackson/Wasco | Lakeview |
LANE | 1851 | Linn/Umpqua/Benton | Eugene |
LINCOLN | 1893 | Benton/Polk | Newport |
LINN | 1847 | Champoeg | Albany |
MALHEUR | 1887 | Baker | Vale |
MARION | 1843 [Original] | as Champoeg | Salem |
MORROW | 1885 | Umatilla | Heppner |
MULTNOMAH | 1854 | Clackamas/Washington | Portland |
POLK | 1845 | Yamhill | Dallas |
SHERMAN | 1889 | Wasco | Moro |
TILLAMOOK | 1853 | Clatsop/Yamhill/Polk | Tillamook |
TUALITY | 1843 | Renamed Washington | in 1849 |
UMATILLA | 1862 | Wasco | Pendleton |
UMPQUA | 1851 | Became part of | Douglas in 1862 |
UNION | 1864 | Baker | La Grande |
WALLOWA | 1887 | Union | Enterprise |
WASCO | 1854 | Marion/Clackamas/Linn | The Dalles |
WASHINGTON | 1843 [Original] | as Tuality | Hillsboro |
WHEELER | 1899 | Crook/Gilliam/Grant | Fossil |
YAMHILL | 1843 | [Original] | McMinnville |
Info - Legal
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Jan Bony State Coordinator
W. David Samuelson
Assistant State Coordinator
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Last updated: 25 August 2020