Towns
| State | City/Town | Town Title |
|---|---|---|
| Washington | Sprague | Sprague, WA |
| Washington | Springdale | Springdale, WA |
| Washington | Stanwood | Stanwood, WA |
| Washington | Starbuck | Starbuck, WA |
| Washington | Startup | Startup, WA |
| Washington | Stehekin | Stehekin, WA |
| Washington | Steilacoom | Steilacoom, WA |
| Washington | Steptoe | Steptoe, WA |
| Washington | Stevenson | Stevenson, WA |
| Washington | Stratford | Stratford, WA |
| Washington | Sultan | Sultan, WA |
| Washington | Sumas | Sumas, WA |
| Washington | Sumner | Sumner, WA |
| Washington | Sunnyside | Sunnyside, WA |
| Washington | Suquamish | Suquamish, WA |
| Washington | Tacoma | Tacoma, WA |
| Washington | Taholah | Taholah, WA |
| Washington | Tahuya | Tahuya, WA |
| Washington | Tekoa | Tekoa, WA |
| Washington | Tenino | Tenino, WA |
| Washington | Thornton | Thornton, WA |
| Washington | Thorp | Thorp, WA |
| Washington | Tieton | Tieton, WA |
| Washington | Tokeland | Tokeland, WA |
| Washington | Toledo | Toledo, WA |