| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Saginaw | city | Oregon | United States | 43.83 | -123.05 | 830 | |
| Saint Helens | city | Oregon | United States | 45.86 | -122.81 | 98 | |
| Saint Johns | city | Oregon | United States | 45.59 | -122.75 | 200 | |
| Saint Joseph | city | Oregon | United States | 45.24 | -123.14 | 98 | |
| Saint Louis | city | Oregon | United States | 45.12 | -122.94 | 157 | |
| Saint Paul | city | Oregon | United States | 45.21 | -122.98 | 114 | |
| Salem | city | Oregon | United States | 44.94 | -123.04 | 193 | |
| Salem Station (historical) | city | Oregon | United States | 44.94 | -123.04 | 196 | |
| Salems | city | Oregon | United States | 44.94 | -123.04 | 193 | |
| Salemtowne | city | Oregon | United States | 44.98 | -123.07 | 190 | |
| Salishan | city | Oregon | United States | 44.89 | -124.03 | 95 | |
| Salishan Beach | city | Oregon | United States | 44.92 | -124.03 | 0 | |
| Saltair (historical) | city | Oregon | United States | 45.60 | -123.95 | 200 | |
| Sams Valley | city | Oregon | United States | 42.49 | -122.98 | 1669 | |
| San Marine | city | Oregon | United States | 44.35 | -124.09 | 78 | |
| Sandlake | city | Oregon | United States | 45.30 | -123.92 | 180 | |
| Sandy | city | Oregon | United States | 45.40 | -122.26 | 997 | |
| Santa Clara | city | Oregon | United States | 44.10 | -123.13 | 400 | |
| Santiam City (historical) | city | Oregon | United States | 44.73 | -123.04 | 236 | |
| Santiam Terrace | city | Oregon | United States | 44.44 | -122.81 | 830 | |
| Saunders Lake | city | Oregon | United States | 43.52 | -124.22 | 177 | |
| Scappoose | city | Oregon | United States | 45.75 | -122.88 | 118 | |
| Scholls | city | Oregon | United States | 45.41 | -122.92 | 200 | |
| Scio | city | Oregon | United States | 44.70 | -122.85 | 380 | |
| Scotts Mills | city | Oregon | United States | 45.04 | -122.67 | 830 | |
| Scottsburg | city | Oregon | United States | 43.65 | -123.82 | 377 | |
| Seal Rock | city | Oregon | United States | 44.50 | -124.08 | 98 | |
| Searose Beach | city | Oregon | United States | 44.23 | -124.11 | 830 | |
| Seaside | city | Oregon | United States | 45.99 | -123.92 | 78 | |
| Seilema | city | Oregon | United States | 44.94 | -123.04 | 193 | |
| Sellwood | city | Oregon | United States | 45.46 | -122.65 | 200 | |
| Selma | city | Oregon | United States | 42.28 | -123.62 | 1669 | |
| Seneca | city | Oregon | United States | 44.13 | -118.97 | 5029 | |
| Service Creek | city | Oregon | United States | 44.80 | -120.01 | 1732 | |
| Seven Oaks | city | Oregon | United States | 42.39 | -122.94 | 1240 | |
| Shadowood | city | Oregon | United States | 45.38 | -122.69 | 200 | |
| Shady Cove | city | Oregon | United States | 42.61 | -122.81 | 1735 | |
| Shady Dell | city | Oregon | United States | 45.14 | -122.54 | 400 | |
| Shady Pine | city | Oregon | United States | 42.31 | -121.80 | 4498 | |
| Shaniko | city | Oregon | United States | 45.00 | -120.75 | 3349 | |
| Shaw | city | Oregon | United States | 44.87 | -122.87 | 830 | |
| Sheaville | city | Oregon | United States | 43.13 | -117.05 | 4596 | |
| Shedd | city | Oregon | United States | 44.46 | -123.11 | 265 | |
| Shelburn | city | Oregon | United States | 44.74 | -122.87 | 400 | |
| Sheridan | city | Oregon | United States | 45.10 | -123.39 | 200 | |
| Sherwood | city | Oregon | United States | 45.36 | -122.84 | 236 | |
| Shorewood | city | Oregon | United States | 43.45 | -124.22 | 6 | |
| Sidney | city | Oregon | United States | 44.78 | -123.11 | 200 | |
| Siletz | city | Oregon | United States | 44.72 | -123.92 | 200 | |
| Siltcoos | city | Oregon | United States | 43.89 | -124.06 | 154 | |
| Silver Lake | city | Oregon | United States | 43.13 | -121.05 | 4363 | |
| Silverton | city | Oregon | United States | 45.01 | -122.78 | 344 | |
| Silvies | city | Oregon | United States | 44.03 | -118.94 | 5029 | |
| Simnasho | city | Oregon | United States | 44.97 | -121.35 | 2509 | |
| Sinks (historical) | city | Oregon | United States | 45.62 | -120.61 | 1669 | |
| Sisters | city | Oregon | United States | 44.29 | -121.55 | 3349 | |
| Sitkum | city | Oregon | United States | 43.15 | -123.86 | 830 | |
| Siuslaw (historical) | city | Oregon | United States | 43.90 | -123.22 | 1200 | |
| Six Corners | city | Oregon | United States | 45.37 | -122.85 | 203 | |
| Sixes | city | Oregon | United States | 42.82 | -124.48 | 196 | |
| Sodaville | city | Oregon | United States | 44.48 | -122.87 | 830 | |
| Somerset West | city | Oregon | United States | 45.55 | -122.87 | 200 | |
| South Beach | city | Oregon | United States | 44.61 | -124.05 | 19 | |
| South Lake Oswego | city | Oregon | United States | 45.41 | -122.67 | 357 | |
| South Lebanon | city | Oregon | United States | 44.51 | -122.90 | 390 | |
| South Portland (historical) | city | Oregon | United States | 45.49 | -122.68 | 236 | |
| South Scappoose | city | Oregon | United States | 45.74 | -122.88 | 170 | |
| Sparta | city | Oregon | United States | 44.87 | -117.32 | 4199 | |
| Speaker | city | Oregon | United States | 42.72 | -123.29 | 2509 | |
| Spikenard (historical) | city | Oregon | United States | 42.61 | -122.95 | 1797 | |
| Spitzenberg | city | Oregon | United States | 45.83 | -122.95 | 830 | |
| Spoos Mill | city | Oregon | United States | 44.52 | -119.98 | 4189 | |
| Sprague River | city | Oregon | United States | 42.46 | -121.50 | 4350 | |
| Spray | city | Oregon | United States | 44.83 | -119.79 | 1856 | |
| Springbrook | city | Oregon | United States | 45.32 | -122.95 | 203 | |
| Springdale | city | Oregon | United States | 45.52 | -122.33 | 249 | |
| Springfield | city | Oregon | United States | 44.05 | -123.02 | 830 | |
| Springwater | city | Oregon | United States | 45.25 | -122.34 | 997 | |
| Stafford | city | Oregon | United States | 45.36 | -122.72 | 400 | |
| Stanfield | city | Oregon | United States | 45.78 | -119.22 | 830 | |
| Stapleton | city | Oregon | United States | 44.83 | -123.21 | 246 | |
| Starkey | city | Oregon | United States | 45.22 | -118.43 | 4189 | |
| Starrs Point (historical) | city | Oregon | United States | 44.27 | -123.30 | 364 | |
| Starvation Heights | city | Oregon | United States | 42.49 | -123.17 | 1204 | |
| Stayton | city | Oregon | United States | 44.80 | -122.79 | 830 | |
| Steamboat | city | Oregon | United States | 43.35 | -122.74 | 1669 | |
| Steamboat | city | Oregon | United States | 42.08 | -123.21 | 2749 | |
| Stephens | city | Oregon | United States | 43.38 | -123.39 | 396 | |
| Stewart Lenox | city | Oregon | United States | 42.19 | -121.81 | 4189 | |
| Stringtown (historical) | city | Oregon | United States | 45.34 | -122.64 | 196 | |
| Sublimity | city | Oregon | United States | 44.83 | -122.79 | 830 | |
| Summer Lake | city | Oregon | United States | 42.97 | -120.78 | 4189 | |
| Summerville | city | Oregon | United States | 45.49 | -118.00 | 2700 | |
| Summit | city | Oregon | United States | 44.64 | -123.58 | 830 | |
| Sumner | city | Oregon | United States | 43.28 | -124.15 | 200 | |
| Sumpter | city | Oregon | United States | 44.75 | -118.20 | 4452 | |
| Sunny Valley | city | Oregon | United States | 42.64 | -123.38 | 1669 | |
| Sunnycrest | city | Oregon | United States | 45.30 | -123.02 | 200 | |
| Sunnydale | city | Oregon | United States | 43.65 | -123.41 | 830 | |
| Sunnyridge | city | Oregon | United States | 44.59 | -123.92 | 200 | |
| Sunnyside | city | Oregon | United States | 44.84 | -123.03 | 830 | |
| Sunnyside | city | Oregon | United States | 45.96 | -118.40 | 944 | |
| Sunnyside | city | Oregon | United States | 45.43 | -122.53 | 269 | |
| Sunriver | city | Oregon | United States | 43.88 | -121.44 | 4189 | |
| Sunset | city | Oregon | United States | 45.36 | -122.63 | 370 | |
| Sunset | city | Oregon | United States | 44.90 | -117.04 | 2598 | |
| Sunset Beach | city | Oregon | United States | 46.10 | -123.93 | 29 | |
| Suntex | city | Oregon | United States | 43.59 | -119.63 | 4297 | |
| Suplee | city | Oregon | United States | 44.07 | -119.68 | 4599 | |
| Surf Pines | city | Oregon | United States | 46.06 | -123.92 | 22 | |
| Surprise Valley | city | Oregon | United States | 42.95 | -123.31 | 830 | |
| Susanville | city | Oregon | United States | 44.71 | -118.78 | 4189 | |
| Sutherlin | city | Oregon | United States | 43.39 | -123.31 | 830 | |
| Suver | city | Oregon | United States | 44.74 | -123.21 | 200 | |
| Svensen | city | Oregon | United States | 46.17 | -123.66 | 98 | |
| Svensen Junction | city | Oregon | United States | 46.17 | -123.66 | 98 | |
| Sweet Home | city | Oregon | United States | 44.40 | -122.74 | 830 | |
| Swisshome | city | Oregon | United States | 44.06 | -123.80 | 200 | |
| Sylvan | city | Oregon | United States | 45.51 | -122.74 | 830 |