Connecticut Neighborhoods D
- Devon/Walnut Beach (17)
- Dixwell (28)
- Downtown Bridgeport (8)
- Downtown Danbury (4)
- Downtown Greenwich (11)
- Downtown Hartford (32)
- Downtown Middletown (46)
- Downtown Milford (34)
- Downtown New Haven (58)
- Downtown Norwalk (15)
- Downtown Southington (7)
- Downtown Stamford Historic District (16)
- Downtown Waterbury (153)
- Durham/East Haddam (1)
- Dwight (34)