Idaho Cities
- Waha, ID
- Walker, ID
- Wallace, ID
- Walters Ferry, ID
- Wapello, ID
- Wapi, ID
- Wardboro, ID
- Wardner, ID
- Warm Lake, ID
- Warm River, ID
- Warren, ID
- Warrens, ID
- Washington Mill, ID
- Washoe, ID
- Wayan, ID
- Wayland, ID
- Webb, ID
- Weippe, ID
- Weiser, ID
- Weitz, ID
- Wendell, ID
- Westlake, ID
- Westma, ID
- Westmond, ID
- Weston, ID
- Whipsaw Saddle, ID
- White Bird, ID
- Whitney, ID
- Wickahoney, ID
- Wilder, ID
- Wilford, ID
- Willard, ID
- Willola, ID
- Winchester, ID
- Winder, ID
- Winona, ID
- Winsper, ID
- Wolf Lodge, ID
- Wolverine, ID
- Wood, ID
- Woodland, ID
- Woodland Park, ID
- Woodruff, ID
- Woodville, ID
- Worley, ID
- Wrencoe, ID
