Connecticut Neighborhoods D
- Devon/Walnut Beach (21)
- Dixwell (21)
- Downtown Bridgeport (8)
- Downtown Danbury (10)
- Downtown Greenwich (19)
- Downtown Hartford (33)
- Downtown Middletown (64)
- Downtown Milford (28)
- Downtown New Haven (52)
- Downtown Norwalk (19)
- Downtown Southington (6)
- Downtown Stamford Historic District (15)
- Downtown Waterbury (141)
- Durham/East Haddam (1)
- Dwight (32)