| City | County | 2026 Pop. ↓ |
|---|---|---|
| Dalton Gardens | Kootenai County | 2,485 |
| Driggs | Teton County | 2,485 |
| Dover | Bonner County | 1,252 |
| Downey | Bannock County | 586 |
| Dayton | Franklin County | 550 |
| Deary | Latah County | 537 |
| Dubois | Clark County | 514 |
| Declo | Cassia County | 379 |
| Dietrich | Lincoln County | 321 |
| Donnelly | Valley County | 256 |
| De Smet | Benewah County | 125 |
| Drummond | Fremont County | 15 |