List of counties in Oregon

The US state of Oregon is divided into 36 counties .

The counties of Oregon by their year of establishment

1840-1849

1850-1859

1860-1869

1870-1889

After 1890

MH

BK

WL

U.N.

AROUND

MR

GR

HA

LK

KL

DC

CR

JE

WH

GL

SH

WS

MR

ML

CK

MN

LN

LA

DO

JC

JO

CU

CS

BE

LC

PK

YM

TL

WA

CO

CL

List of counties

county	FIPS code	County seat	Founded	Erected from	etymology	Population (2016)	surface	map
Baker County	001	Baker City	1862	Wasco County, Union County, and Malheur County	Edward Dickinson Baker , Senator from Oregon, who during a battle in the American Civil War at Ball's Bluff fell	16,510	7,946 km² ( 3,068 sq mi)
Benton County	003	Corvallis	1847	Polk County	Thomas Hart Benton (1782-1858), Senator involved in the Oregon Country dispute	91,320	1,751 km² ( 676 sq mi)
Clackamas County	005	Oregon City	1843	One of the original four districts of the Oregon Country	The Clackamas were an Indian tribe	404.980	4,838 km² ( 1,868 sq mi)
Clatsop County	007	Astoria	1844	From northern and western parts of the Twality District	Clatsop was an Indian tribe	38,225	2,142 km² ( 827 sq mi)
Columbia County	009	Saint Helens	1854	Northern half of Washington County	Columbia River , the county's northern limit	50,795	1,702 km² ( 657 sq mi)
Coos County	011	Coquille	1853	Umpqua and Jackson Counties	The Coos were an Indian tribe	63,190	4,144 km² ( 1,600 sq mi)
Crook County	013	Prineville	1882	Southern parts of Wasco County	George Crook (1828–1890), Civil War officer	21,580	7,718 km² ( 2,980 sq mi)
Curry County	015	Gold Beach	1855	From parts of Coos County	George Law Curry (1820–1878), Governor of the Oregon Territory	22,600	4,214 km² ( 1,627 sq mi)
Deschutes County	017	Bend	1916	Southern part of Crook County	Riviere des Chutes , French for river of waterfalls .	176,635	7,817 km² ( 3,018 sq mi)
Douglas County	019	Roseburg	1852	Umpqua County, parts east of the Coast Range Summit	Stephen A. Douglas (1813–1861), Senator	110.395	13,046 km² ( 5,037 sq mi)
Gilliam County	021	Condon	1885	Eastern third of Wasco County	Cornelius Gilliam (1798–1848), pioneer	1,980	3,118 km² ( 1,204 sq mi)
Grant County	023	Canyon City	1864	Portions of old Wasco and old Umatilla Counties	Ulysses S. Grant (1822–1885), officer and 1869–1877 President of the United States	7,410	11,730 km² ( 4,529 sq mi)
Harney County	025	Burns	1889	Southern parts of Grant County	William S. Harney (1800–1889), cavalry officer in the Pig War	7,320	26,250 km² ( 10,135 sq mi)
Hood River County	027	Hood River	1908	Northwest of Wasco County	Hood River	24,735	1,352 km² ( 522 sq mi)
Jackson County	029	Medford	1852	Lane County and newly developed area south of Douglas and Umpqua Counties	Andrew Jackson (1767–1845), President of the United States	213.765	7,213 km² ( 2,785 sq mi)
Jefferson County	031	Madras	1914	Crook County	Mount Jefferson , which takes its name from Thomas Jefferson (1743-1826).	22,790	4,613 km² ( 1,781 sq mi)
Josephine County	033	Grants Pass	1856	Western half of Jackson County	Virginia "Josephine" Rollins, the first white man to live here	84,675	4,248 km² ( 1,640 sq mi)
Klamath County	035	Klamath Falls	1882	Western part of Lake County	The Klamath who have lived here for 10,000 years.	67,410	15,397 km² ( 5,945 sq mi)
Lake County	037	Lakeview	1874	Jackson and Wasco Counties	Lots of lakes and hot springs.	8,015	20,565 km² ( 7,940 sq mi)
Lane County	039	Eugene	1851	Southern part of Linn County and Benton Counties	General Joseph Lane (1801–1881), first governor of the Oregon Territory	365.940	11,795 km² ( 4,554 sq mi)
Lincoln County	041	Newport	1893	Western part of Benton County and Polk Counties	Abraham Lincoln (1809–1865), sixteenth President.	47,735	2,538 km² ( 980 sq mi)
Linn County	043	Albany	1847	Southern part of Champoeg (later Marion) County	US Senator Lewis F. Linn (1795–1843) from Missouri , author of the Donation Land Act , which gave settlers free access to the land.	122,315	5,934 km² ( 2,291 sq mi)
Malheur County	045	Vale	1887	Southern part of Baker County	Malheur River (more precisely Riviere au Malheur , unfortunate river ), because French trappers furs and other things were stolen on the river.	31,705	25,610 km² ( 9,888 sq mi)
Marion County	047	Salem	1843	One of the original four districts of the Oregon Territory	Francis Marion (1732–1795), general in the American Revolutionary War	333,950	3,069 km² ( 1,185 sq mi)
Morrow County	049	Heppner	1885	Western part of Umatilla County and a small part of Wasco County	Jackson L. Morrow , an Oregon politician who campaigned for this county to be established.	11,745	5,265 km² ( 2,033 sq mi)
Multnomah County	051	Portland	1854	Eastern part of Washington and northern part of Clackamas County	After the Multnomah settlement on Sauvie Island. The word originated from nematlnomaq , which means something like "downstream". Lewis and Clark have called all of the Indians in the area that since 1805.	790.670	1,127 km² ( 435 sq mi)
Polk County	053	Dallas	1845	Yamhill District	James Knox Polk (1795–1849) was president when the county was established	79,730	1,919 km² ( 741 sq mi)
Sherman County	055	Moro	1889	Wasco County	William Tecumseh Sherman (1820-1891), Civil War general, author, and businessman	1,795	2,132 km² ( 823 sq mi)
Tillamook County	057	Tillamook	1853	Clatsop, Yamhill and Polk Counties	Tillamook (also Killamook) people.	25,920	2,854 km² ( 1,102 sq mi)
Umatilla County	059	Pendleton	1862	Parts of Wasco County	Sahaptin (language), it means possibly laughing water .	79,880	8,327 km² ( 3,215 sq mi)
Union County	061	La Grande	1864	Baker County	The city of Union , which was founded two years earlier and is so called, because of the "unity" of the states in the civil war.	26,745	5,276 km² ( 2,037 sq mi)
Wallowa County	063	Enterprise	1887	Eastern parts of Union County.	A word used by the Nez Perce Indians to describe a rack for fishing.	7.140	8,146 km² ( 3,145 sq mi)
Wasco County	065	The dalles	1854	Portions of Clackamas, Lane, Linn and Marion Counties	Wasco (also Wascopam), an Indian tribe.	26,700	6,167 km² ( 2,381 sq mi)
Washington County	067	Hillsboro	1843	One of the original four districts of Oregon (as the Twality District)	George Washington (1732–1799), founding father of the United States and its first president	583,595	1,875 km² ( 724 sq mi)
Wheeler County	069	fossil	1899	Portions of Grant, Gilliam, and Crook Counties	Henry H. Wheeler, who ran a postal service.	1,465	4,442 km² ( 1,715 sq mi)
Yamhill County	071	McMinnville	1843	One of the original four districts of Oregon	The Yamhill , were a Kalapuya tribe who lived on the Yamhill River .	104,990	1,854 km² ( 716 sq mi)

Individual evidence

1. ↑ EPA County FIPS Code Listing . EPA. Retrieved April 9, 2007.
2. ^ ^{A b c} National Association of Counties: NACo - Find a county . Archived from the original on October 25, 2007. Retrieved April 26, 2007.
3. ^ ^{A b} Oregon State Archives: County Government . In: Oregon Blue Book . Retrieved February 23, 2008.
4. ↑ Certified Population Estimates for Oregon and Counties (2016) . In: Population Research Center . Portland State University. December 15, 2016. Retrieved March 1, 2017.