- Daggett
- Daly City
- Dana Point
- Danville
- Darwin
- Davenport
- Davis
- Death Valley
- Del Mar
- Del Mar Heights
- Del Rey
- Del Rey Oaks
- Delano
- Delhi
- Denair
- Descanso
- Desert Center
- Desert Hot Springs
- Diablo
- Diamond Bar
- Diamond Springs
- Dillon Beach
- Dinuba
- Discovery Bay
- Dixon
- Dobbins
- Dorris
- Dos Palos
- Douglas City
- Downey
- Downieville
- Doyle
- Duarte
- Dublin
- Ducor
- Dulzura
- Duncans Mills
- Dunlap
- Dunnigan
- Dunsmuir
- Durham
- Dutch Flat