| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Waha | city | Idaho | United States | 46.21333 | -116.85111 | 3513 | 578 |
| Walker | city | Idaho | United States | 43.77222 | -111.70778 | 5282 | 793 |
| Wallace | city | Idaho | United States | 47.47417 | -115.92694 | 2801 | 1567 |
| Walters Ferry | city | Idaho | United States | 43.34056 | -116.59861 | 2299 | 768 |
| Wapello | city | Idaho | United States | 43.24694 | -112.25611 | 4527 | 7713 |
| Wapi | city | Idaho | United States | 42.71556 | -113.18222 | 4396 | 305 |
| Wardboro | city | Idaho | United States | 42.25583 | -111.27639 | 5954 | 327 |
| Wardner | city | Idaho | United States | 47.52278 | -116.13306 | 2972 | 1989 |
| Warm Lake | city | Idaho | United States | 44.65417 | -115.66667 | 5308 | 84 |
| Warm River | city | Idaho | United States | 44.115 | -111.32 | 5410 | 279 |
| Warren | city | Idaho | United States | 45.26417 | -115.67556 | 5997 | 47 |
| Warrens | city | Idaho | United States | 43.32861 | -116.53917 | 2398 | 627 |
| Washington Mill | city | Idaho | United States | 43.89222 | -115.7575 | 5200 | 145 |
| Washoe | city | Idaho | United States | 44.05444 | -116.94722 | 2099 | 8996 |
| Wayan | city | Idaho | United States | 42.97833 | -111.37611 | 6591 | 100 |
| Wayland | city | Idaho | United States | 47.16917 | -116.46917 | 2798 | 523 |
| Webb | city | Idaho | United States | 46.34389 | -116.83222 | 1597 | 453 |
| Webb | city | Idaho | United States | 47.48833 | -115.89056 | 3005 | 1272 |
| Weippe | city | Idaho | United States | 46.37611 | -115.93722 | 3015 | 61 |
| Weiser | city | Idaho | United States | 44.25111 | -116.96833 | 2175 | 595 |
| Weitz | city | Idaho | United States | 43.66944 | -116.75861 | 2398 | 4346 |
| Wendell | city | Idaho | United States | 42.77583 | -114.70333 | 3398 | 1713 |
| Westlake | city | Idaho | United States | 46.12194 | -116.50611 | 4117 | 130 |
| Westma | city | Idaho | United States | 43.41583 | -116.54111 | 2693 | 1074 |
| Westmond | city | Idaho | United States | 48.14 | -116.6025 | 2299 | 660 |
| Weston | city | Idaho | United States | 42.03722 | -111.97861 | 4645 | 854 |
| Whipsaw Saddle | city | Idaho | United States | 45.79278 | -116.34833 | 2788 | 379 |
| White Bird | city | Idaho | United States | 45.76167 | -116.29972 | 2211 | 383 |
| White Knob historical | city | Idaho | United States | 43.8925 | -113.66944 | 7611 | 56 |
| Whitney | city | Idaho | United States | 42.06583 | -111.83694 | 4596 | 1157 |
| Wickahoney | city | Idaho | United States | 42.46 | -115.9825 | 5200 | 19 |
| Wilder | city | Idaho | United States | 43.67667 | -116.91083 | 2398 | 3356 |
| Wildhorse | city | Idaho | United States | 44.85556 | -116.83083 | 2460 | 95 |
| Wilford | city | Idaho | United States | 43.91278 | -111.67694 | 4954 | 2516 |
| Willard | city | Idaho | United States | 47.24056 | -117.03806 | 2598 | 328 |
| Williams Creek Summit Home Area | city | Idaho | United States | 44.16361 | -116.12 | 4206 | 79 |
| Williams Lake Resort | city | Idaho | United States | 45.01194 | -113.965 | 6062 | 47 |
| Williamsburg historical | city | Idaho | United States | 42.94778 | -111.26 | 6797 | 112 |
| Willola | city | Idaho | United States | 46.505 | -116.56917 | 1210 | 375 |
| Wilson | city | Idaho | United States | 43.36139 | -116.65194 | 2342 | 431 |
| Winchester | city | Idaho | United States | 46.24 | -116.62333 | 3950 | 251 |
| Winder | city | Idaho | United States | 42.17639 | -111.915 | 4737 | 462 |
| Winona | city | Idaho | United States | 46.13222 | -116.10694 | 2916 | 549 |
| Winsper | city | Idaho | United States | 44.13056 | -112.51444 | 4888 | 19 |
| Wolf Lodge | city | Idaho | United States | 47.64139 | -116.61583 | 2198 | 708 |
| Wolverine | city | Idaho | United States | 43.28139 | -111.93528 | 6131 | 336 |
| Wood | city | Idaho | United States | 44.12556 | -116.90611 | 2145 | 923 |
| Woodland | city | Idaho | United States | 44.93028 | -116.38194 | 4199 | 138 |
| Woodland | city | Idaho | United States | 46.31111 | -116.0675 | 2998 | 595 |
| Woodland Park | city | Idaho | United States | 47.48611 | -115.90111 | 3599 | 1272 |
| Woodruff | city | Idaho | United States | 42.03611 | -112.21389 | 4514 | 103 |
| Woods Crossing | city | Idaho | United States | 43.77417 | -111.62972 | 5396 | 593 |
| Woodside | city | Idaho | United States | 46.20639 | -116.61833 | 4215 | 198 |
| Woodside historical | city | Idaho | United States | 46.27333 | -116.59917 | 3779 | 260 |
| Woodville | city | Idaho | United States | 43.41694 | -112.14194 | 4622 | 4008 |
| Wooleys | city | Idaho | United States | 42.45194 | -111.38611 | 5938 | 230 |
| Worley | city | Idaho | United States | 47.40083 | -116.91611 | 2703 | 410 |
| Wrencoe | city | Idaho | United States | 48.22889 | -116.70194 | 2060 | 1032 |
| Wright historical | city | Idaho | United States | 47.98111 | -116.73083 | 2385 | 941 |
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