12 cities
| City | County | 2025 Pop. ↓ |
|---|---|---|
| Dalton Gardens | Kootenai County | 2,495 |
| Driggs | Teton County | 2,439 |
| Dover | Bonner County | 1,301 |
| Downey | Bannock County | 572 |
| Dayton | Franklin County | 547 |
| Deary | Latah County | 533 |
| Dubois | Clark County | 525 |
| Declo | Cassia County | 364 |
| Dietrich | Lincoln County | 314 |
| Donnelly | Valley County | 259 |
| De Smet | Benewah County | 109 |
| Drummond | Fremont County | 15 |