15 cities
| City | County | 2025 Pop. ↓ |
|---|---|---|
| Evergreen | Flathead County | 9,107 |
| East Helena | Lewis and Clark County | 2,311 |
| East Missoula | Missoula County | 2,059 |
| Eureka | Lincoln County | 1,603 |
| Ennis | Madison County | 1,120 |
| Evaro | Missoula County | 503 |
| Ekalaka | Carter County | 406 |
| Emigrant | Park County | 371 |
| Elliston | Powell County | 206 |
| Elmo | Lake County | 183 |
| East Glacier Park Village | Glacier County | 174 |
| Edgar | Carbon County | 74 |
| Essex | Flathead County | 66 |
| Eagle Creek Colony | Liberty County | 62 |
| Elkhorn | Jefferson County | 57 |