Towns
| State | City/Town | Town Title |
|---|---|---|
| California | Desert Hot Springs | Desert Hot Springs, CA |
| California | Diablo | Diablo, CA |
| California | Diamond Bar | Diamond Bar, CA |
| California | Diamond Springs | Diamond Springs, CA |
| California | Dillon Beach | Dillon Beach, CA |
| California | Dinuba | Dinuba, CA |
| California | Discovery Bay | Discovery Bay, CA |
| California | Dixon | Dixon, CA |
| California | Dobbins | Dobbins, CA |
| California | Dorris | Dorris, CA |
| California | Dos Palos | Dos Palos, CA |
| California | Dos Rios | Dos Rios, CA |
| California | Douglas City | Douglas City, CA |
| California | Douglas Flat | Douglas Flat, CA |
| California | Downey | Downey, CA |
| California | Downieville | Downieville, CA |
| California | Doyle | Doyle, CA |
| California | Drytown | Drytown, CA |
| California | Duarte | Duarte, CA |
| California | Dublin | Dublin, CA |
| California | Ducor | Ducor, CA |
| California | Dulzura | Dulzura, CA |
| California | Duncans Mills | Duncans Mills, CA |
| California | Dunlap | Dunlap, CA |
| California | Dunnigan | Dunnigan, CA |