- Eagle Creek Colony
- Eagle Lake Ranch
- Eagleton
- East Butte
- East Community
- East End Colony
- East Evergreen Mobile Home Park
- East Glacier Park
- East Glacier Park Village
- East Helena
- East Malta Colony
- East Missoula
- East Portal
- Eastham Junction
- Eddies Corner
- Eddy
- Eden
- Edgar
- Edilou
- Edith Nelson Trailer Court
- Edwards
- Edwards Crossing
- Eightmile Saddle
- Ekalaka
- Eldridge Trailer Court
- Electric
- Elk Island
- Elk Island
- Elk Park
- Elkhorn