A total of 36 results found. Show Results on Map.
| Rank | Population Density ▼ | County / Population |
| 1. | 1,626.6/sq mi | Multnomah, OR / 757,371 |
| 2. | 753.6/sq mi | Washington, OR / 547,451 |
| 3. | 268.7/sq mi | Marion, OR / 320,448 |
| 4. | 204.3/sq mi | Clackamas, OR / 384,697 |
| 5. | 139.9/sq mi | Yamhill, OR / 100,486 |
| 6. | 126.8/sq mi | Benton, OR / 86,034 |
| 7. | 102.8/sq mi | Polk, OR / 76,464 |
| 8. | 75.1/sq mi | Lane, OR / 354,764 |
| 9. | 73.7/sq mi | Jackson, OR / 206,583 |
| 10. | 71.7/sq mi | Columbia, OR / 49,325 |
| 11. | 53.4/sq mi | Deschutes, OR / 163,141 |
| 12. | 51.2/sq mi | Linn, OR / 118,270 |
| 13. | 50.6/sq mi | Josephine, OR / 83,021 |
| 14. | 42.4/sq mi | Hood River, OR / 22,620 |
| 15. | 38.6/sq mi | Lincoln, OR / 46,138 |
| 16. | 34.7/sq mi | Coos, OR / 62,678 |
| 17. | 34.3/sq mi | Clatsop, OR / 37,236 |
| 18. | 23.7/sq mi | Umatilla, OR / 76,645 |
| 19. | 20.9/sq mi | Douglas, OR / 107,156 |
| 20. | 19.0/sq mi | Tillamook, OR / 25,334 |
| 21. | 12.6/sq mi | Union, OR / 25,736 |
| 22. | 12.2/sq mi | Jefferson, OR / 21,830 |
| 23. | 11.2/sq mi | Curry, OR / 22,341 |
| 24. | 10.8/sq mi | Klamath, OR / 65,985 |
| 25. | 10.6/sq mi | Wasco, OR / 25,387 |
| 26. | 7.0/sq mi | Crook, OR / 20,798 |
| 27. | 5.5/sq mi | Morrow, OR / 11,217 |
| 28. | 5.2/sq mi | Baker, OR / 16,049 |
| 29. | 3.1/sq mi | Malheur, OR / 30,740 |
| 30. | 2.2/sq mi | Wallowa, OR / 6,893 |
| 31. | 2.2/sq mi | Sherman, OR / 1,790 |
| 32. | 1.6/sq mi | Grant, OR / 7,325 |
| 33. | 1.6/sq mi | Gilliam, OR / 1,926 |
| 34. | 0.9/sq mi | Lake, OR / 7,854 |
| 35. | 0.8/sq mi | Wheeler, OR / 1,357 |
| 36. | 0.7/sq mi | Harney, OR / 7,253 |
Please note that we only rank locations with 'Population Density' data. The rank above might not be a complete list. Locations without 'Population Density' data are not listed.