| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Yale historical | city | Idaho | United States | 46.86222 | -116.69556 | 2988 | 369 |
| Yellow Dog historical | city | Idaho | United States | 46.97917 | -117.03278 | 2614 | 377 |
| Yellow Pine | city | Idaho | United States | 44.965 | -115.49278 | 5341 | 33 |
| Yellowjacket | city | Idaho | United States | 44.97972 | -114.53083 | 6023 | 56 |
| York | city | Idaho | United States | 45.90917 | -115.47861 | 4665 | 14 |
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