Barrios de Washington S
- Salmon Creek (5)
- Samish Hill (23)
- Scenic Hill (7)
- Seahurst (1)
- Seattle Hill-Silver Firs (5)
- Seaview Seattle (3)
- Seward Park (7)
- Shelby (1)
- Shelton View-Meridian-3rd SE (2)
- Sheridan Beach (6)
- Sheridan Park (7)
- Shoultes (3)
- Shumway (4)
- Silver Lake (23)
- Smokey Point (3)
- SoDo (1)
- Somerset (1)
- South Auburn (14)
- South Beacon Hill (5)
- South Capitol (6)
- South Delridge (13)
- South End (43)
- South Forest Park (1)
- South Hill (5)
- South Hill (85)
- South Juanita (15)
- South Kent (2)
- South Lake Union (89)
- South Lake Washington (1)
- South Lakes (2)
- South Olympia (21)
- South Park (7)
- South Renton (6)
- South Rose Hill (3)
- South Tacoma (50)
- South Westside (4)
- Southeast Bellevue (19)
- Southeast Redmond (11)
- Southern Heights-Boulevard Park (5)
- Southwest Bellevue (10)
- Springbrook Terrace (3)
- Springtree (1)
- Stadium District (58)
- Starcrest (6)
- Stevens (18)
- Stonegate (1)
- Summerfield (1)
- Summit (3)
- Summit Puyallup (2)
- Sunnyside Vancouver (1)
- Sunset (9)
- Sunset Hill (3)
- Sycamore (1)