- Dabob
- Dahdayla
- Dahlia
- Daisy
- Delkena
- Dallesport
- Danville
- Danville
- Darknell
- Darlington
- Darrington
- Dartford
- Dash Point
- Davenport
- Davin
- Davis
- Davis Terrace
- Dawn Lee Mobile Home Court
- Day Creek
- DayBreak
- Days Island
- Dayton
- Dayton
- Dayton
- Deadman Island
- Deadman Island
- Dean Manor
- Decatur
- Decatur Island
- Deception Island