Barrios de Oregon S
- Sabin (2)
- Santa Clara (7)
- Sellwood-Moreland (26)
- Sexton Mountain (10)
- Sherwood/Tualatin North (4)
- Sherwood/Tualatin South (15)
- Sommerset West-Elmonica South (12)
- South Beaverton (4)
- South Burlingame (2)
- South Central (14)
- South Eliot (3)
- South End (1)
- South Gateway (15)
- South Hillsboro (1)
- South Portland (13)
- South Salem (3)
- South Tabor (3)
- South University (21)
- South Waterfront (11)
- Southeast Bend (3)
- Southeast Eugene (12)
- Southeast Hillsboro (15)
- Southeast Mill Creek (9)
- Southeast Salem (2)
- Southeast Uplift (2)
- Southern Crossing (14)
- Southgate (7)
- Southwest Bend (12)
- Southwest Hills (10)
- Springfield Gateway (8)
- St Johns (17)
- Stafford-Tualatin Valley (1)
- Sullivan's Gulch (8)
- Summit West (8)
- Sumner (2)
- Sunnyside (8)
- Sunnyside Damascus (11)
- Sunnyslope (10)
- Sunset (1)
- Sylvan-Highlands (5)