Barrios de Missouri S
- Santa Fe (5)
- Sappington (3)
- Scarritt Point (10)
- Self Help Neighborhood Council (5)
- Shaw (9)
- Sheffield (2)
- Sherrydale (16)
- Sherwood Estates (2)
- Skinker DeBaliviere (23)
- Soulard (10)
- South (2)
- South Blue Valley (13)
- South Crysler (3)
- South Hyde Park (12)
- South India Mound (2)
- South Plaza (16)
- South Town Fork Creek (2)
- Southern (2)
- Southern Hills (20)
- Southmoreland (17)
- Southwest Garden (6)
- Spring Branch (1)
- Squier Park (1)
- St Ann Country Club (6)
- St Catherine's Gardens (4)
- St Louis Hills (5)
- Stayton Meadows (3)
- Sterling Acres (1)
- Sterling Gardens (3)
- Stratford Estates (3)
- Sunnyside Gardens (1)
- Sycamore (3)