- Deer Lodge Mobile Home Park
- Dogtown
- Doubs Mill
- Downsville
- Dry Run
- Duck Island
- Danwood
- Deep Branch
- Deep Harbour
- Deerfield
- Deers Head Manor
- Doe Run
- Dogwood Village
- Devil Island
- Dills Acres
- Dog and Bitch Islands
- Douglynn Farms
- Douglynne Woods
- Drum Island
- Duers Neck Landing
- Duncan Crossing
- Damascus
- Dames Quarter
- Darnestown
- Deal Island
- Deale
- District Heights
- Dunkirk Town Center
- Denton
- Dundalk