Oregon Counties

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221 records, counting

| Baker | Benton | Clackamas | Clatsop | Columbia | Coos | Crook | Curry | Deschutes | Douglas | Gilliam | Grant | Harney | Hood River |

| Jackson | Jefferson | Josephine | Klamath | Lake | Lane | Lincoln | Linn | Malheur | Marion | Morrow | Multnomah | Polk | Sherman |

| Tillamook | Umatilla | Union | Wallowa | Wasco | Washington | Wheeler | Yamhill |

 
Counties no longer in existence or part of another state.
Lewis County, 9 Dec 1845 from Oregon Country, part of State of Washington.
Champoeg County, 5 Jul 1843 from Oregon Country, renamed Marion 3 Sep 1849.
Clark County, 5 Jul 1843 from Oregon country, part of State of Washington.
Umpqua County, 28 Jan 1851 from Benton and Linn. Absorbed into county of Douglas, 1863.

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  1. Baker - 22 Sep 1862 from Wasco. Parts taken for Malheur, Union
  2. Benton - 23 Dec 1847 from Polk. Parts taken for Lincoln, Umpqua
  3. Clackamas - 5 Jul 1843 from Oregon Country. Part taken for Linn.
  4. Clatsop - 22 Jun 1844 from Twality. Part taken for Tillamook.
  5. Columbia - 16 Jan 1854 from Washington.
  6. Coos - 22 Dec 1853 - from Umpqua & Jackson. Part taken for Curry
  7. Crook - 24 Oct 1882 from Wasco. Parts taken for Deschutes, Jefferson, Wheeler
  8. Curry - 18 Dec 1855 from Coos.
  9. Deschutes - 13 Dec 1916 from Crook.
  10. Douglas - 7 Jan 1852 renamed from Umpqua. Part taken for Wasco
  11. Gilliam - 25 Feb 1885 from Wasco. Part taken for Wheeler.
  12. Grant - 14 Oct 1864 from Wasco & Umatilla. Parts taken for Harney, Wheeler
  13. Harney - 23 Feb 1889 from Grant.
  14. Hood River - 23 Jun 1908 from Wasco.
  15. Jackson - 12 Jan 1852 from Umpqua. Parts taken for Coos, Josephine, Lake, Wasco
  16. Jefferson - 12 Dec 1914 from Crook
  17. Josephine - 22 Jan 1856 from Jackson
  18. Klamath - 17 Oct 1882 from Lake.
  19. Lake - 24 Oct 1874 from Jackson and Wasco. Part taken for Klamath
  20. Lane - 28 Jan 1851 from Linn, Umpqua.
  21. Lincoln - 20 Feb 1893 from Benton & Polk.
  22. Linn - 28 Dec 1847 from Champoeg. Parts taken for Lane, Umpqua (Douglas), Wasco.
  23. Malheur - 17 Feb 1887 from Baker.
  24. Marion - renamed from Champoeg 3 Sep 1849. Part taken for Wasco.
  25. Morrow - 16 Feb 1885 from Umatilla.
    A-Z | completed | 221 records
  26. Multnomah - 22 Dec 1854 from Washington and Clackamas.
  27. Polk - 22 Dec 1845 from Yamhill. Parts taken for Benton, Lincoln, Tillamook.
  28. Sherman - 25 Feb 1889 from Wasco.
  29. Tillamook - 15 Dec 1853 from Clatsop, Polk & Yamhill.
  30. Umatilla - 27 Sep 1862 from Wasco. Parts taken for Grant & Morrow.
  31. Union - 14 Oct 1864 from Baker. Part taken for Wallowa.
  32. Wallowa - 11 Feb 1887 from Union.
  33. Wasco - 11 Jan 1854 from Clackamas, Marion, Linn, Lane, Douglas & Jackson. Parts taken for Baker, Crook, Gilliam, Grant, Hood River, Lake, Sherman, Umatilla.
  34. Washington - 5 Jul 1843 from Oregon Country, renamed from Twality 22 Dec 1845.
  35. Wheeler - 17 Feb 1800 from Crook, Gilliam & Grant.
  36. Yamhill - 5 Jul 1843 from Oregon Country. Parts taken for Polk, Tillamook.

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