- Eatonville
- Echo Lake
- Edgewood
- Edmonds
- Elbe
- Electric City
- Elk Plain
- Ellensburg
- Elma
- Elmer City
- Endicott
- Entiat
- Enumclaw
- Ephrata
- Eagle Island
- East Cromwell
- Eastward
- Eatonville Junction
- Electron
- Enchanted Firs Mobile Home Park
- Enchanted Island
- Evergreen Acres Mobile Home Park
- Evergreen Ridge Mobile Home Park
- Eschbach
- Easton
- Edison
- Esperance
- Eastsound
- Ewing Island
- Everett