Barrios de Oregon S
- Sabin (1)
- Santa Clara (9)
- Sellwood-Moreland (31)
- Sexton Mountain (12)
- Sherwood/Tualatin North (10)
- Sherwood/Tualatin South (17)
- Sommerset West-Elmonica South (16)
- South Beaverton (4)
- South Central (15)
- South Eliot (6)
- South End (1)
- South Gateway (15)
- South Hillsboro (2)
- South Portland (26)
- South Salem (7)
- South Tabor (4)
- South University (14)
- South Waterfront (16)
- Southeast Bend (2)
- Southeast Eugene (15)
- Southeast Hillsboro (10)
- Southeast Mill Creek (8)
- Southeast Salem (3)
- Southeast Uplift (2)
- Southern Crossing (8)
- Southgate (6)
- Southwest Bend (10)
- Southwest Hills (12)
- Springfield Gateway (7)
- St Johns (16)
- Stafford-Tualatin Valley (1)
- Sullivan's Gulch (9)
- Summit West (10)
- Sumner (1)
- Sunnyside (12)
- Sunnyside Damascus (7)
- Sunnyslope (5)
- Sunset (2)
- Sylvan-Highlands (1)