Alphabetical List of All Counties in Oregon


There are a total of 36 counties in the state of Oregon. Among them, Clackamas County is the oldest one (established in 1843) while Deschutes County is the youngest (established in 1916).  With population of 790,670, Multnomah County is the most populated. The biggest county by land area is Harney County (26,250 km2) and the smallest is Multnomah County (1,127 km2). Below please see all Oregon counties which are listed in alphabetical order.

  1. Baker County, OR
  2. Benton County, OR
  3. Clackamas County, OR
  4. Clatsop County, OR
  5. Columbia County, OR
  6. Coos County, OR
  7. Crook County, OR
  8. Curry County, OR
  9. Deschutes County, OR
  10. Douglas County, OR
  11. Gilliam County, OR
  12. Grant County, OR
  13. Harney County, OR
  14. Hood River County, OR
  15. Jackson County, OR
  16. Jefferson County, OR
  17. Josephine County, OR
  18. Klamath County, OR
  19. Lake County, OR
  20. Lane County, OR
  21. Lincoln County, OR
  22. Linn County, OR
  23. Malheur County, OR
  24. Marion County, OR
  25. Morrow County, OR
  26. Multnomah County, OR
  27. Polk County, OR
  28. Sherman County, OR
  29. Tillamook County, OR
  30. Umatilla County, OR
  31. Union County, OR
  32. Wallowa County, OR
  33. Wasco County, OR
  34. Washington County, OR
  35. Wheeler County, OR
  36. Yamhill County, OR