Oregon County Map, List of Counties in Oregon with Seats

The U.S. state of Oregon is divided into 36 Counties. Explore the Oregon County Map, all Counties list along with their County Seats in alphabetical order and their population, areas and the date of formation.

Oregon County Map

Oregon County Map About Oregon County Map: The map showing the county boundary, all counties boundary, state capital and neighbouring states.
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    The U.S. state of Oregon has 36 Counties. This is list of Oregon Counties and County Seats in alphabetical order along with check their population, areas and the date of formation.

    List of Counties in Oregon with County Seats

    S.NCountyCounty SeatPopulationArea Formed
    1Baker CountyBaker City16,2803,068 sq mi1862
    2Benton CountyCorvallis87,725676 sq mi1847
    3Clackamas CountyOregon City386,0801,868 sq mi1843
    4Clatsop CountyAstoria37,270827 sq mi1844
    5Columbia CountySaint Helens49,850657 sq mi1854
    6Coos CountyCoquille62,8601,600 sq mi1853
    7Crook CountyPrineville20,6902,980 sq mi1882
    8Curry CountyGold Beach22,3001,627 sq mi1855
    9Deschutes CountyBend162,5253,018 sq mi1916
    10Douglas CountyRoseburg108,8505,037 sq mi1852
    11Gilliam CountyCondon1,9451,204 sq mi1885
    12Grant CountyCanyon City7,4354,529 sq mi1864
    13Harney CountyBurns7,26010,135 sq mi1889
    14Hood River CountyHood River23,295522 sq mi1908
    15Jackson CountyMedford206,3102,785 sq mi1852
    16Jefferson CountyMadras22,0401,781 sq mi1914
    17Josephine CountyGrants Pass82,8151,640 sq mi1856
    18Klamath CountyKlamath Falls66,8105,945 sq mi1882
    19Lake CountyLakeview7,8957,940 sq mi1874
    20Lane CountyEugene356,1254,554 sq mi1851
    21Lincoln CountyNewport46,560980 sq mi1893
    22Linn CountyAlbany118,6652,291 sq mi1847
    23Malheur CountyVale31,4409,888 sq mi1887
    24Marion CountySalem322,8801,185 sq mi1843
    25Morrow CountyHeppner11,4252,033 sq mi1885
    26Multnomah CountyPortland756,530435 sq mi1854
    27Polk CountyDallas77,065741 sq mi1845
    28Sherman CountyMoro1,780823 sq mi1889
    29Tillamook CountyTillamook25,3751,102 sq mi1853
    30Umatilla CountyPendleton77,8953,215 sq mi1862
    31Union CountyLa Grande26,3252,037 sq mi1864
    32Wallowa CountyEnterprise7,0453,145 sq mi1887
    33Wasco CountyThe Dalles25,8102,381 sq mi1854
    34Washington CountyHillsboro550,990724 sq mi1843
    35Wheeler CountyFossil1,4301,715 sq mi1899
    36Yamhill CountyMcMinnville101,400716 sq mi1843
    Edited by: Vijay Kanth | Updated: September 22, 2021