12 cities
| City | County | 2026 Pop. ↓ |
|---|---|---|
| Driggs | Teton County | 2,481 |
| Dalton Gardens | Kootenai County | 2,477 |
| Dover | Bonner County | 1,317 |
| Downey | Bannock County | 587 |
| Deary | Latah County | 552 |
| Dayton | Franklin County | 549 |
| Dubois | Clark County | 523 |
| Declo | Cassia County | 375 |
| Dietrich | Lincoln County | 324 |
| Donnelly | Valley County | 257 |
| De Smet | Benewah County | 125 |
| Drummond | Fremont County | 15 |