Barrios de Connecticut S
- Saugatuck (4)
- Seymour/Naugatuck/Ansonia (38)
- Sheldon Charter Oak (6)
- Shippan (5)
- Shippan Point (5)
- Silvermine (3)
- Simsbury Ctr Historic District (1)
- SoNo (29)
- South End (17)
- South End (24)
- South Green (7)
- South Meadows (1)
- South West (7)
- Southeast New London (1)
- Southington/Berlin (21)
- Southwest New London/Lyme (4)
- Spencer (5)
- Spring Hill (31)
- Springdale (18)
- Stratfield Village (9)
- Stratford Center Historic District (30)