Oregon

Oregon has 36 Counties.

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Association of Oregon Counties
1201 Court Street NE, Suite 300
Salem, OR 97301-4110
Phone: (503)585-8351
Fax: (503)373-7876
http://www.aocweb.org/

County NACo
Member
2010
Population
Square
Miles
County Seat Board
Size
Founded
Baker 16,134 3,068 Baker City   1862 
Benton 85,579 676 Corvallis   1847 
Clackamas 375,992 1,870 Oregon City   1843 
Clatsop 37,039 829 Astoria   1844 
Columbia 49,351 657 Saint Helens   1854 
Coos 63,043 1,596 Coquille   1853 
Crook 20,978 2,979 Prineville   1882 
Curry 22,364 1,627 Gold Beach   1855 
Deschutes 157,733 3,018 Bend   1916 
Douglas 107,667 5,036 Roseburg   1852 
Gilliam 1,871 1,205 Condon   1885 
Grant 7,445 4,529 Canyon City   1864 
Harney 7,422 10,133 Burns   1889 
Hood River 22,346 522 Hood River   1908 
Jackson 203,206 2,784 Medford   1852 
Jefferson 21,720 1,781 Madras   1914 
Josephine 82,713 1,640 Grants Pass   1856 
Klamath 66,380 5,941 Klamath Falls   1882 
Lake 7,895 8,139 Lakeview   1874 
Lane 351,715 4,553 Eugene   1851 
Lincoln 46,034 980 Newport   1893 
Linn 116,672 2,290 Albany   1847 
Malheur 31,313 9,888 Vale   1887 
Marion 315,335 1,182 Salem  1843 
Morrow 11,173 2,032 Heppner   1885 
Multnomah 735,334 431 Portland  1854 
Polk 75,403 741 Dallas  1845 
Sherman 1,765 824 Moro   1889 
Tillamook 25,250 1,103 Tillamook   1853 
Umatilla 75,889 3,216 Pendleton   1862 
Union 25,748 2,037 La Grande   1864 
Wallowa 7,008 3,146 Enterprise   1887 
Wasco 25,213 2,382 The Dalles   1854 
Washington 529,710 724 Hillsboro   1843 
Wheeler 1,441 1,715 Fossil   1899 
Yamhill 99,193 716 McMinnville   1843