Barrios de Oregon S
- Sabin (2)
- Santa Clara (9)
- Sellwood-Moreland (29)
- Sexton Mountain (6)
- Sherwood/Tualatin North (7)
- Sherwood/Tualatin South (12)
- Sommerset West-Elmonica South (12)
- South Beaverton (4)
- South Burlingame (1)
- South Central (15)
- South Eliot (3)
- South End (3)
- South Gateway (21)
- South Hillsboro (4)
- South Portland (22)
- South Salem (8)
- South Tabor (3)
- South University (33)
- South Waterfront (9)
- Southeast Bend (1)
- Southeast Eugene (16)
- Southeast Hillsboro (6)
- Southeast Mill Creek (8)
- Southeast Salem (3)
- Southeast Uplift (3)
- Southern Crossing (9)
- Southgate (4)
- Southwest Bend (7)
- Southwest Hills (11)
- Springfield Gateway (6)
- St Johns (25)
- Sullivan's Gulch (9)
- Summit West (16)
- Sumner (2)
- Sunnyside (11)
- Sunnyside Damascus (7)
- Sunnyslope (9)
- Sunset (2)
- Sylvan-Highlands (3)