List of counties in Oregon

Wikimedia list article

There are 36 counties in the U.S. state of Oregon.

Oregon's postal abbreviation is OR and its FIPS state code is 41.

County information

FIPS Code[1] County Seat
Meaning of name
Baker County 001 Baker City 1862 Eastern portion of Wasco County Edward Dickinson Baker, a senator from Oregon who was killed at Ball's Bluff, a battle of the American Civil War 16,668 3,068 sq mi
(7,946 km2)
Benton County 003 Corvallis 1847 Polk County Thomas Hart Benton (1782–1858), a U.S. senator who advocated U.S. control over the Oregon Country 95,184 676 sq mi
(1,751 km2)
Clackamas County 005 Oregon City 1843 One of the original four districts of the Oregon Country The Clackamas Indians, a Native American tribe living in the area. 421,401 1,868 sq mi
(4,838 km2)
Clatsop County 007 Astoria 1844 Northern and western portions of the original Twality District Clatsop tribe of Native Americans, who lived along the coast of the Pacific Ocean prior to European settlement 41,072 827 sq mi
(2,142 km2)
Columbia County 009 Saint Helens 1854 Northern half of Washington County Columbia River, which forms the county's northern borders 52,589 657 sq mi
(1,702 km2)
Coos County 011 Coquille 1853 Western parts of Umpqua and Jackson Counties The Coos Tribe of Native Americans who lived in the region 64,929 1,600 sq mi
(4,144 km2)
Crook County 013 Prineville 1882 Southern part of Wasco County George Crook (1828–1890), a U.S. Army officer who served in the American Civil War and the Indian Wars 24,738 2,980 sq mi
(7,718 km2)
Curry County 015 Gold Beach 1855 Coos County George Law Curry (1820–1878), a governor of the Oregon Territory 23,446 1,627 sq mi
(4,214 km2)
Deschutes County 017 Bend 1916 Southern part of Crook County "Riviere des Chutes", French for "River of the Falls". 198,253 3,018 sq mi
(7,817 km2)
Douglas County 019 Roseburg 1852 Portion of Umpqua County which lay east of the Coast Range summit Stephen A. Douglas (1813–1861), a U.S. Senator who supported Oregon statehood 111,201 5,037 sq mi
(13,046 km2)
Gilliam County 021 Condon 1885 Eastern third of Wasco County Cornelius Gilliam (1798–1848), a pioneer who commanded the forces of the Provisional Government of Oregon after the Whitman massacre 1,995 1,204 sq mi
(3,118 km2)
Grant County 023 Canyon City 1864 Parts of old Wasco and old Umatilla counties Ulysses 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 later President of the United States (1869–1877) 7,233 4,529 sq mi
(11,730 km2)
Harney County 025 Burns 1889 Southern two-thirds of Grant County William S. Harney (1800–1889), a cavalry officer of the period, who was involved in the Pig War 7,495 10,135 sq mi
(26,250 km2)
Hood River County 027 Hood River 1908 Northwest portion of Wasco County The Hood River (a tributary of the Columbia River), which flows through the county 23,977 522 sq mi
(1,352 km2)
Jackson County 029 Medford 1852 Southwestern portion of Lane County and the unorganized area south of Douglas and Umpqua Counties Andrew Jackson (1767–1845), the seventh President of the United States 223,259 2,785 sq mi
(7,213 km2)
Jefferson County 031 Madras 1914 Crook County Mount Jefferson, which is located on its western boundary. The mountain was named for Thomas Jefferson (1743–1826), the 3rd president of the United States. 24,502 1,781 sq mi
(4,613 km2)
Josephine County 033 Grants Pass 1856 Western half of Jackson County Virginia "Josephine" Rollins (1834-1912), the first white woman to make this county her home. 88,090 1,640 sq mi
(4,248 km2)
Klamath County 035 Klamath Falls 1882 Western part of Lake County The Klamath or Clamitte tribe, which has had a presence in the area for 10,000 years. 69,413 5,945 sq mi
(15,397 km2)
Lake County 037 Lakeview 1874 Jackson and Wasco Counties Numerous lakes and hot springs. 8,160 7,940 sq mi
(20,565 km2)
Lane County 039 Eugene 1851 Southern part of Linn County and the portion of Benton County east of Umpqua County Gen. Joseph Lane (1801–1881), the first governor of Oregon Territory 382,971 4,554 sq mi
(11,795 km2)
Lincoln County 041 Newport 1893 Western portion of Benton County and Polk County Abraham Lincoln (1809–1865), sixteenth President of the United States. 50,395 980 sq mi
(2,538 km2)
Linn County 043 Albany 1847 Southern part of Champoeg (later Marion) County U.S. Senator Lewis F. Linn (1795–1843) of Missouri, author of the Donation Land Act, which gave free land to settlers in the West. 128,610 2,291 sq mi
(5,934 km2)
Malheur County 045 Vale 1887 Southern portion of Baker County Malheur River (formally "Riviere au Malheur" or "Unfortunate River"), named by French trappers whose property and furs were stolen from their river encampment. 31,571 9,888 sq mi
(25,610 km2)
Marion County 047 Salem 1843 One of the original four districts of the Oregon territory Francis Marion (1732–1795), American Revolutionary War general 345,920 1,185 sq mi
(3,069 km2)
Morrow County 049 Heppner 1885 Western portion of Umatilla County and a small portion of eastern Wasco County Jackson L. Morrow, a state representative who advocated for the formation of the county. 12,186 2,033 sq mi
(5,265 km2)
Multnomah County 051 Portland 1854 Eastern part of Washington and the northern part of Clackamas counties The 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. 815,428 435 sq mi
(1,127 km2)
Polk County 053 Dallas 1845 Yamhill District James Knox Polk (1795–1849), President of the United States at the time of the county's creation 87,433 741 sq mi
(1,919 km2)
Sherman County 055 Moro 1889 Northeast corner of Wasco County William Tecumseh Sherman (1820–1891), American Civil War general, and businessman, educator, and author 1,870 823 sq mi
(2,132 km2)
Tillamook County 057 Tillamook 1853 Clatsop, Yamhill and Polk Counties Tillamook (or Killamook) Native American people. 27,390 1,102 sq mi
(2,854 km2)
Umatilla County 059 Pendleton 1862 Central portion of Wasco County Sahaptin word, possibly meaning laughing waters. 80,075 3,215 sq mi
(8,327 km2)
Union County 061 La Grande 1864 Baker County The 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. 26,196 2,037 sq mi
(5,276 km2)
Wallowa County 063 Enterprise 1887 Eastern portion of Union County. The Nez Perce word wallowa, which means 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 grounds 7,391 3,145 sq mi
(8,146 km2)
Wasco County 065 The Dalles 1854 Parts of Clackamas, Lane, Linn and Marion counties The Wasco (or Wascopam) Native American tribe. 26,670 2,381 sq mi
(6,167 km2)
Washington County 067 Hillsboro 1843 One 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 States 600,372 724 sq mi
(1,875 km2)
Wheeler County 069 Fossil 1899 Grant County, Gilliam County, and Crook County Henry H. Wheeler (1826-1915), who operated the first mail stage line from The Dalles to Canyon City. 1,451 1,715 sq mi
(4,442 km2)
Yamhill County 071 McMinnville 1843 One of the original four districts of the Oregon Country The Yamhelas, members of the Kalapuya Native American family, who lived along the Yamhill River in the western Willamette Valley. 107,722 716 sq mi
(1,854 km2)


  1. "County FIPS Code Listing for the State of OHIO". United States Environmental Protection Agency. Retrieved July 9, 2016.
  2. 2.0 2.1 2.2 2.3 National Association of Counties. "NACo County Explorer". Retrieved May 3, 2024.
  3. 3.0 3.1 Oregon State Archives. "County Government". Oregon Blue Book. Retrieved February 23, 2008.