15 cities
| City | County | 2026 Pop. ↓ |
|---|---|---|
| Evergreen | Flathead County | 9,206 |
| East Helena | Lewis and Clark County | 2,384 |
| East Missoula | Missoula County | 2,052 |
| Eureka | Lincoln County | 1,646 |
| Ennis | Madison County | 1,159 |
| Evaro | Missoula County | 515 |
| Ekalaka | Carter County | 407 |
| Emigrant | Park County | 364 |
| Elliston | Powell County | 205 |
| Elmo | Lake County | 184 |
| East Glacier Park Village | Glacier County | 161 |
| Edgar | Carbon County | 71 |
| Essex | Flathead County | 70 |
| Eagle Creek Colony | Liberty County | 66 |
| Elkhorn | Jefferson County | 60 |