City | 2024 Population |
|---|---|
| Salem | 177,928 |
| San Marine | 524 |
| Sandy | 13,040 |
| Santa Clara | 11,734 |
| Saunders Lake | 2,052 |
| Scappoose | 8,339 |
| Scio | 958 |
| Scotts Mills | 413 |
| Seaside | 7,160 |
| Selma | 871 |
| Seneca | 163 |
| Seventh Mountain | 690 |
| Shady Cove | 3,055 |
| Shaniko | 30 |
| Shedd | 46 |
| Sheridan | 6,494 |
| Sherwood | 19,801 |
| Siletz | 1,217 |
| Silver Lake | 377 |
| Silverton | 10,294 |
| Sisters | 2,948 |
| Sodaville | 370 |
| South Lebanon | 1,265 |
| Sportsmans Park | 70 |
| Spray | 137 |
| Springfield | 60,827 |
| St. Helens | 14,611 |
| St. Paul | 421 |
| Stafford | 1,194 |
| Stanfield | 2,083 |
| Stayton | 8,222 |
| Sublimity | 2,893 |
| Summerville | 116 |
| Summit | 87 |
| Sumpter | 209 |
| Sunriver | 1,488 |
| Sutherlin | 8,692 |
| Svensen | 812 |
| Sweet Home | 10,322 |