E
- Eagle Center
- Eagle City
- Eagle Grove
- Eagle Point
- Eagle Ridge Community
- Earlham
- Earling
- Earlville
- Early
- Easley
- East Amana
- Eastgate Estate Park
- East Iron Hills
- Easton Place
- East Ottumwa
- East Peru
- East Pleasant Plain
- East Rapids
- Echo
- Eckards
- Eddyville
- Eden
- Edgewood
- Edmore
- Edna
- Egan
- Egralharve
- Ehler
- Elberon
- Eldergrove
- Eldon
- Eldora
- Eldorado
- Eldridge
- Eleanor
- Elgin
- Elkader
- Elkhart
- Elk Horn
- Elkport
- Elk River Junction
- Elk Run Heights
- Elkton
- Elliott
- Ellmaker
- Ellston
- Ellsworth
- Elma
- Elmira
- Elm Spring
- Elon
- Elrick Junction
- Elvira
- Elwood
- Ely
- Emeline
- Emerson
- Emery
- Emmetsburg
- Enterprise
- Epworth
- Essex
- Estherville
- Euclid
- Eureka
- Evander
- Evans
- Evansdale
- Evanston
- Evergreen Village
- Everly
- Ewart
- Exira
- Exline