List of counties in Oregon

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The following is a list of 36 counties in the U.S. state of Oregon. The Oregon Constitution does not explicitly provide for county seats; Article VI, covering the "Administrative Department" of the state of Oregon, simply states that:

All county and city officers shall keep their respective offices at such places therein, and perform such duties, as may be prescribed by law.[1]

More details on the etymologies of Oregon county names and place names in general are documented in Oregon Geographic Names. Oregon's postal abbreviation is OR and its FIPS state code is 41.

County information[edit]

The Federal Information Processing Standard (FIPS) code, which is used by the United States government to uniquely identify counties, is provided with each entry. The FIPS code for each county links to census data for that county.

FIPS code
County seat
Baker County001Baker City1862Wasco County, Union County and Malheur CountyEdward Dickinson Baker, a senator from Oregon who was killed at Ball's Bluff, a battle of the American Civil War16,2803,068 sq mi
(7,946 km2)
State map highlighting Baker County
Benton County003Corvallis1847Polk CountyThomas Hart Benton (1782 - 1858), a U.S. senator who advocated U.S. control over the Oregon Country87,725676 sq mi
(1,751 km2)
State map highlighting Benton County
Clackamas County005Oregon City1843One of the original four districts of the Oregon CountryThe Clackamas Indians, a Native American tribe living in the area.386,0801,868 sq mi
(4,838 km2)
State map highlighting Clackamas County
Clatsop County007Astoria1844Northern and western portions of the original Twality DistrictClatsop tribe of Native Americans, who lived along the coast of the Pacific Ocean prior to European settlement37,270827 sq mi
(2,142 km2)
State map highlighting Clatsop County
Columbia County009Saint Helens1854Northern half of Washington CountyColumbia River, which forms the county's northern borders49,850657 sq mi
(1,702 km2)
State map highlighting Columbia County
Coos County011Coquille1853Western parts of Umpqua and Jackson CountiesThe Coos Tribe of Native Americans who lived in the region62,8601,600 sq mi
(4,144 km2)
State map highlighting Coos County
Crook County013Prineville1882Southern part of Wasco CountyGeorge Crook (1828 - 1890), a U.S. Army officer who served in the American Civil War and the Indian Wars20,6902,980 sq mi
(7,718 km2)
State map highlighting Crook County
Curry County015Gold Beach1855Coos CountyGeorge Law Curry (1820-1878), a governor of the Oregon Territory22,3001,627 sq mi
(4,214 km2)
State map highlighting Curry County
Deschutes County017Bend1916Southern part of Crook County"Riviere des Chutes", French for "River of the Falls".162,5253,018 sq mi
(7,817 km2)
State map highlighting Deschutes County
Douglas County019Roseburg1852Portion of Umpqua County which lay east of the Coast Range summitStephen A. Douglas (1813 - 1861), a U.S. Senator who supported Oregon statehood108,8505,037 sq mi
(13,046 km2)
State map highlighting Douglas County
Gilliam County021Condon1885Eastern third of Wasco CountyCornelius Gilliam (1798 - 1848), a pioneer who commanded the forces of the Provisional Government of Oregon after the Whitman Massacre1,9451,204 sq mi
(3,118 km2)
State map highlighting Gilliam County
Grant County023Canyon City1864Parts of old Wasco and old Umatilla countiesUlysses S. Grant (1822 - 1885), army officer who served in the Oregon Territory; a Union general in the American Civil War at the time of the county's creation; and subsequently President of the United States (1869–1877)7,4354,529 sq mi
(11,730 km2)
State map highlighting Grant County
Harney County025Burns1889Southern two-thirds of Grant CountyWilliam S. Harney (1800 - 1889), a cavalry officer of the period, who was involved in the Pig War7,26010,135 sq mi
(26,250 km2)
State map highlighting Harney County
Hood River County027Hood River1908Northwest portion of Wasco CountyThe Hood River (a tributary of the Columbia River), which flows through the county23,295522 sq mi
(1,352 km2)
State map highlighting Hood River County
Jackson County029Medford1852Southwestern portion of Lane County and the unorganized area south of Douglas and Umpqua CountiesAndrew Jackson (1767–1845), the seventh President of the United States206,3102,785 sq mi
(7,213 km2)
State map highlighting Jackson County
Jefferson County031Madras1914Crook CountyMount Jefferson, which is located on its western boundary, named in turn for Thomas Jefferson (1743 - 1826), the 3rd president of the United States.22,0401,781 sq mi
(4,613 km2)
State map highlighting Jefferson County
Josephine County033Grants Pass1856Western half of Jackson CountyVirginia "Josephine" Rollins, the first white woman to make this county her home.82,8151,640 sq mi
(4,248 km2)
State map highlighting Josephine County
Klamath County035Klamath Falls1882Western part of Lake CountyThe Klamath or Clamitte tribe, which has had a presence in the area for 10,000 years.66,8105,945 sq mi
(15,397 km2)
State map highlighting Klamath County
Lake County037Lakeview1874Jackson and Wasco CountiesNumerous lakes and hot springs.7,8957,940 sq mi
(20,565 km2)
State map highlighting Lake County
Lane County039Eugene1851Southern part of Linn County and the portion of Benton County east of Umpqua CountyGen. Joseph Lane (1801–1881), the first governor of Oregon Territory356,1254,554 sq mi
(11,795 km2)
State map highlighting Lane County
Lincoln County041Newport1893Western portion of Benton County and Polk CountyAbraham Lincoln (1809 - 1865), sixteenth President of the United States.46,560980 sq mi
(2,538 km2)
State map highlighting Lincoln County
Linn County043Albany1847Southern portion of Champoeg (later Marion) CountyU.S. Senator Lewis F. Linn (1795 - 1843) of Missouri, author of the Donation Land Act, which provided free land to settlers in the West.118,6652,291 sq mi
(5,934 km2)
State map highlighting Linn County
Malheur County045Vale1887Southern portion of Baker CountyMalheur River (formally "Riviere au Malheur" or "Unfortunate River"), named by French trappers whose property and furs were stolen from their river encampment.31,4409,888 sq mi
(25,610 km2)
State map highlighting Malheur County
Marion County047Salem1843One of the original four districts of the Oregon territoryFrancis Marion (1732–1795), American Revolutionary War general322,8801,185 sq mi
(3,069 km2)
State map highlighting Marion County
Morrow County049Heppner1885Western portion of Umatilla County and a small portion of eastern Wasco CountyJackson L. Morrow, a state representative who advocated for the formation of the county.11,4252,033 sq mi
(5,265 km2)
State map highlighting Morrow County
Multnomah County051Portland1854Eastern part of Washington and the northern part of Clackamas countiesThe Indian village of Multnomah, on Sauvie Island. The word is derived from nematlnomaq, probably meaning downriver. Lewis and Clark made note of the name in 1805, and applied that name to all local Indians.756,530435 sq mi
(1,127 km2)
State map highlighting Multnomah County
Polk County053Dallas1845Yamhill DistrictJames Knox Polk (1795–1849), President of the United States at the time of the county's creation77,065741 sq mi
(1,919 km2)
State map highlighting Polk County
Sherman County055Moro1889Northeast corner of Wasco CountyWilliam Tecumseh Sherman (1820 - 1891), American Civil War general, and businessman, educator, and author1,780823 sq mi
(2,132 km2)
State map highlighting Sherman County
Tillamook County057Tillamook1853Clatsop, Yamhill and Polk CountiesTillamook (or Killamook) Native American people.25,3751,102 sq mi
(2,854 km2)
State map highlighting Tillamook County
Umatilla County059Pendleton1862Portion of Wasco CountySahaptin word, possibly meaning laughing waters.77,8953,215 sq mi
(8,327 km2)
State map highlighting Umatilla County
Union County061La Grande1864Baker CountyThe town of Union, which had been established two years before and named by its founders for the "Union" of the states during the Civil War.26,3252,037 sq mi
(5,276 km2)
State map highlighting Union County
Wallowa County063Enterprise1887Eastern portion of Union County.The Nez Perce word wallowa to designate a tripod of poles used to support fish nets. The area was claimed by the Chief Joseph band of the Nez Perce as its hunting and fishing grounds7,0453,145 sq mi
(8,146 km2)
State map highlighting Wallowa County
Wasco County065The Dalles1854Parts of Clackamas, Lane, Linn and Marion countiesThe Wasco (or Wascopam) Native American tribe.25,8102,381 sq mi
(6,167 km2)
State map highlighting Wasco County
Washington County067Hillsboro1843One of the original four districts of the Oregon Country (as Twality District)George Washington (1732 - 1799), Founding Father of the United States and first President of the United States550,990724 sq mi
(1,875 km2)
State map highlighting Washington County
Wheeler County069Fossil1899Parts of Grant, Gilliam, and Crook CountiesHenry H. Wheeler, who operated the first mail stage line from The Dalles to Canyon City.1,4301,715 sq mi
(4,442 km2)
State map highlighting Wheeler County
Yamhill County071McMinnville1843One of the original four districts of the Oregon CountryThe Yamhelas, members of the Kalapuya Native American family, who lived along the Yamhill River in the western Willamette Valley.101,400716 sq mi
(1,854 km2)
State map highlighting Yamhill County

See also[edit]


  1. ^ Article VI of the Constitution of Oregon, from the Oregon Blue Book
  2. ^ "EPA County FIPS Code Listing". EPA. Retrieved 2007-04-09. 
  3. ^ a b c National Association of Counties. "NACo - Find a county". Retrieved 2007-04-26. 
  4. ^ a b Oregon State Archives. "County Government". Oregon Blue Book. Retrieved 2008-02-23. 
  5. ^ "Population Estimates for Oregon and Counties (2013)". Population Research Center. Portland State University. December 15, 2013. Retrieved 24 May 2014. 

External links[edit]