City | 2024 Population |
|---|---|
| Dale | 1,518 |
| Daleville | 1,723 |
| Dallas | 2,042 |
| Dalton | 622 |
| Dana | 550 |
| Danville | 11,253 |
| Darlington | 721 |
| Darmstadt | 1,414 |
| Davis | 564 |
| Dayton | 1,372 |
| Decatur | 10,050 |
| Decker | 196 |
| Deer Creek | 216 |
| Delaware | 692 |
| Delphi | 3,038 |
| Democrat | 969 |
| Denver | 469 |
| Depauw | 252 |
| Deputy | 4 |
| Dewey | 967 |
| Dick Johnson | 1,332 |
| Dillsboro | 1,391 |
| Dover Hill | 60 |
| Dresser | 69 |
| Driftwood | 922 |
| Dublin | 678 |
| Dubois | 633 |
| Duck Creek | 523 |
| Dudley | 1,097 |
| Dugger | 779 |
| Dune Acres | 236 |
| Duneland Beach | 322 |
| Dunkirk | 2,079 |
| Dunlap | 6,325 |
| Dunreith | 173 |
| Dupont | 337 |
| Dyer | 16,222 |