Barrios de Connecticut S
- Saugatuck (9)
- Seymour/Naugatuck/Ansonia (23)
- Sheldon Charter Oak (7)
- Shippan (4)
- Shippan Point (8)
- Silvermine (2)
- Simsbury Ctr Historic District (1)
- SoNo (24)
- South End (13)
- South End (9)
- South Green (5)
- South Meadows (1)
- South West (2)
- Southington/Berlin (11)
- Southwest New London/Lyme (5)
- Spencer (3)
- Spring Hill (18)
- Springdale (10)
- Springdale-Glenbrook-Belltown (1)
- Stratfield Village (2)
- Stratford Center Historic District (31)
- Strawberry Hill (1)