Identifiers: city · CDP
| Rank | Community | Population |
|---|---|---|
| 1 | Salem (city), OR | 175,535 |
| 2 | Corvallis (city), OR | 59,922 |
| 3 | Albany (city), OR | 56,472 |
| 4 | Lebanon (city), OR | 18,447 |
| 5 | Four Corners (CDP), OR | 16,740 |
| 6 | Monmouth (city), OR | 11,110 |
| 7 | Philomath (city), OR | 5,350 |
| 8 | Jefferson (city), OR | 3,327 |
| 9 | Millersburg (city), OR | 2,919 |
| 10 | Turner (city), OR | 2,454 |
| 11 | Brownsville (city), OR | 1,694 |
| 12 | Tangent (city), OR | 1,231 |
| 13 | South Lebanon (CDP), OR | 1,228 |
| 14 | Adair Village (city), OR | 994 |
| 15 | Halsey (city), OR | 962 |
| 16 | Scio (city), OR | 956 |
| 17 | Crabtree (CDP), OR | 406 |
| 18 | Sodaville (city), OR | 360 |
| 19 | Marion (CDP), OR | 307 |
| 20 | Shedd (CDP), OR | 213 |
Identifiers: city · CDP
| Rank | Community | Population |
|---|---|---|
| 1 | Salem (city), OR | 175,535 |
| 2 | Corvallis (city), OR | 59,922 |
| 3 | Albany (city), OR | 56,472 |
| 4 | Hayesville (CDP), OR | 21,891 |
| 5 | Lebanon (city), OR | 18,447 |
| 6 | Four Corners (CDP), OR | 16,740 |
| 7 | Monmouth (city), OR | 11,110 |
| 8 | Philomath (city), OR | 5,350 |
| 9 | Aumsville (city), OR | 4,234 |
| 10 | Jefferson (city), OR | 3,327 |
| 11 | Millersburg (city), OR | 2,919 |
| 12 | Turner (city), OR | 2,454 |
| 13 | Brownsville (city), OR | 1,694 |
| 14 | Tangent (city), OR | 1,231 |
| 15 | South Lebanon (CDP), OR | 1,228 |
| 16 | Adair Village (city), OR | 994 |
| 17 | Halsey (city), OR | 962 |
| 18 | Scio (city), OR | 956 |
| 19 | Crabtree (CDP), OR | 406 |
| 20 | Sodaville (city), OR | 360 |