Oregon Counties by Name

Name	Created	County Seat	Sq.Miles	Pop.
Baker	22 Sep 1862	Baker City	3,068	16,287
Benton	23 Dec 1847	Corvallis	676	78,640
Champoeg	5 Jul 1843	became Marion County in 1849
Clackamas	5 Jul 1843	Oregon City	1,868	368,470
Clatsop	22 Jun 1844	Astoria	827	36,798
Columbia	16 Jan 1854	St. Helens	656	48,065
Coos	22 Dec 1853	Coquille	1,600	64,711
Crook	24 Oct 1882	Prineville	2,979	22,067
Curry	18 Dec 1855	Gold Beach	1,627	22,427
Deschutes	13 Dec 1916	Bend	3,018	141,382
Douglas	7 Jan 1852	Roseburg	5,036	104,202
Gilliam	25 Feb 1885	Condon	1,204	1,794
Grant	14 Oct 1864	Canyon City	4,528	7,297
Harney	25 Feb 1889	Burns	10,134	6,898
Hood River	23 Jun 1908	Hood River	522	21,284
Jackson	12 Jan 1852	Medford	2,785	195,322
Jefferson	12 Dec 1914	Madras	1,780	20,100
Josephine	22 Jan 1856	Grants Pass	1,639	80,761
Klamath	17 Oct 1882	Klamath Falls	5,944	66,192
Lake	24 Oct 1874	Lakeview	8,135	7,313
Lane	28 Jan 1851	Eugene	4,554	335,180
Lincoln	20 Feb 1893	Newport	979	45,994
Linn	28 Dec 1847	Albany	2,292	108,914
Malheur	17 Feb 1887	Vale	9,887	31,330
Marion	1849	Salem	1,183	305,265
Morrow	16 Feb 1885	Heppner	2,032	11,666
Multnomah	22 Dec 1854	Portland	435	672,906
Polk	22 Dec 1845	Dallas	741	70,295
Sherman	25 Feb 1889	Moro	823	1,749
Tillamook	15 Dec 1853	Tillamook	1,102	25,277
Tuality	1843	became Washington County in 1849
Umatilla	27 Sep 1862	Pendleton	3,215	73,878
Umpqua	1851	merged with Douglas County in 1862
Union	14 Oct 1864	La Grande	2,036	24,540
Wallowa	11 Feb 1877	Enterprise	3,145	7,014
Wasco	11 Jan 1854	The Dalles	2,381	23,593
Washington	3 Sep 1849	Hillsboro	723	499,794
Wheeler	17 Feb 1899	Fossil	1,714	1,455
Yamhill	5 Jul 1843	McMinnville	715	92,196
Total			95,996	3,641,056

Source: U. S. Census Bureau; using estimates of 2005 population.
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City links are to official government pages. County links are to the Oregon Blue Book.

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