- Wales
- Wallin
- Webster
- Wensel Mobile Home Park
- Wheel Estates Mobile Home Park
- Waterman
- Walcott
- Walford
- Wolf Lake Addition
- Wall Lake
- Wapello
- White Cloud
- Washta
- Waucoma
- Waukee
- Waukon
- Webster City
- Wellman
- Welton
- West Burlington
- West Cedar Rapids
- West Des Moines
- West Okoboji
- Westgate
- Westside
- What Cheer
- Whitten
- Willey
- Winterset
- Wiota