Towns
| State | City/Town | Town Title |
|---|---|---|
| South Dakota | Davis | Davis, SD |
| South Dakota | De Smet | De Smet, SD |
| South Dakota | Deadwood | Deadwood, SD |
| South Dakota | Dell Rapids | Dell Rapids, SD |
| South Dakota | Delmont | Delmont, SD |
| South Dakota | Dimock | Dimock, SD |
| South Dakota | Doland | Doland, SD |
| South Dakota | Draper | Draper, SD |
| South Dakota | Dupree | Dupree, SD |
| South Dakota | Eagle Butte | Eagle Butte, SD |
| South Dakota | Eden | Eden, SD |
| South Dakota | Edgemont | Edgemont, SD |
| South Dakota | Egan | Egan, SD |
| South Dakota | Elk Point | Elk Point, SD |
| South Dakota | Elkton | Elkton, SD |
| South Dakota | Ellsworth Afb | Ellsworth Afb, SD |
| South Dakota | Emery | Emery, SD |
| South Dakota | Enning | Enning, SD |
| South Dakota | Erwin | Erwin, SD |
| South Dakota | Estelline | Estelline, SD |
| South Dakota | Ethan | Ethan, SD |
| South Dakota | Eureka | Eureka, SD |
| South Dakota | Fairburn | Fairburn, SD |
| South Dakota | Fairfax | Fairfax, SD |
| South Dakota | Fairview | Fairview, SD |