Barrios de Oregon S
- Sabin (4)
- Santa Clara (11)
- Sellwood-Moreland (27)
- Sexton Mountain (12)
- Sherwood/Tualatin North (12)
- Sherwood/Tualatin South (17)
- Sommerset West-Elmonica South (14)
- South Beaverton (5)
- South Burlingame (3)
- South Central (10)
- South Eliot (3)
- South End (2)
- South Gateway (20)
- South Hillsboro (6)
- South Portland (15)
- South Salem (4)
- South Tabor (5)
- South University (15)
- South Waterfront (14)
- Southeast Eugene (10)
- Southeast Hillsboro (9)
- Southeast Mill Creek (8)
- Southeast Salem (1)
- Southeast Uplift (3)
- Southern Crossing (13)
- Southgate (5)
- Southwest Bend (7)
- Southwest Hills (12)
- Springfield Gateway (8)
- St Johns (13)
- Stafford-Tualatin Valley (1)
- Sullivan's Gulch (11)
- Summit West (8)
- Sumner (2)
- Sunnyside (10)
- Sunnyside Damascus (6)
- Sunnyslope (6)
- Sunset (1)
- Sylvan-Highlands (6)