- East Cathlamet
- East Port Orchard
- East Renton Highlands
- East Wenatchee
- East Wenatchee Bench
- Eastgate
- Eatonville
- Echo Lake
- Edgewood
- Edmonds
- Elbe
- Electric City
- Elk Plain
- Ellensburg
- Elma
- Elmer City
- Endicott
- Entiat
- Enumclaw
- Ephrata
- Eschbach
- Easton
- Edison
- Esperance
- Everett
- Everson
- Eagle Cliff
- Eagle Island
- Eagle Mobile Home Park
- Eagle Point Mobile Home Park