Barrios de Connecticut D
- Devon/Walnut Beach (26)
- Dixwell (25)
- Downtown Bridgeport (9)
- Downtown Danbury (12)
- Downtown Greenwich (23)
- Downtown Hartford (28)
- Downtown Middletown (74)
- Downtown Milford (27)
- Downtown New Haven (57)
- Downtown Norwalk (26)
- Downtown Southington (15)
- Downtown Stamford Historic District (11)
- Downtown Waterbury (128)
- Dwight (32)