| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Pagari | city | Idaho | United States | 43.11806 | -114.07194 | 4481 | 131 |
| Page | city | Idaho | United States | 47.53278 | -116.20278 | 2739 | 1693 |
| Palisades | city | Idaho | United States | 43.35194 | -111.21694 | 5685 | 28 |
| Palisades Corner | city | Idaho | United States | 43.97528 | -116.91167 | 2293 | 4737 |
| Paradise Hot Springs | city | Idaho | United States | 43.55389 | -115.27278 | 4999 | 61 |
| Paradise Valley Summer Home Area | city | Idaho | United States | 44.66972 | -115.65806 | 6049 | 47 |
| Pardee | city | Idaho | United States | 46.29861 | -116.12444 | 1220 | 1012 |
| Pardee Corner | city | Idaho | United States | 46.31472 | -116.09583 | 2995 | 1012 |
| Paris | city | Idaho | United States | 42.22722 | -111.40028 | 5971 | 233 |
| Parker | city | Idaho | United States | 43.95944 | -111.75694 | 4908 | 1825 |
| Parkinson | city | Idaho | United States | 43.81611 | -111.65833 | 5203 | 823 |
| Parkline | city | Idaho | United States | 47.33833 | -116.68556 | 2221 | 332 |
| Parma | city | Idaho | United States | 43.78528 | -116.94222 | 2250 | 2529 |
| Patterson | city | Idaho | United States | 44.52361 | -113.71139 | 6279 | 48 |
| Paul | city | Idaho | United States | 42.60806 | -113.7825 | 4156 | 6271 |
| Pauline | city | Idaho | United States | 42.57083 | -112.55944 | 5006 | 98 |
| Payette | city | Idaho | United States | 44.07833 | -116.93278 | 2142 | 8996 |
| Payette Heights | city | Idaho | United States | 44.07194 | -116.91389 | 2224 | 5094 |
| Payne | city | Idaho | United States | 43.57278 | -112.0525 | 4721 | 14586 |
| Pearl | city | Idaho | United States | 43.85583 | -116.31639 | 4311 | 421 |
| Pearson | city | Idaho | United States | 47.35444 | -115.72889 | 3438 | 34 |
| Peavey | city | Idaho | United States | 42.58361 | -114.65194 | 3743 | 2238 |
| Pebble | city | Idaho | United States | 42.74417 | -111.99972 | 5485 | 304 |
| Peck | city | Idaho | United States | 46.49889 | -116.4325 | 997 | 729 |
| Peck | city | Idaho | United States | 46.47528 | -116.42333 | 1194 | 729 |
| Pedee | city | Idaho | United States | 47.35111 | -116.77389 | 2401 | 367 |
| Pegram | city | Idaho | United States | 42.14278 | -111.12806 | 6190 | 327 |
| Pella | city | Idaho | United States | 42.47528 | -113.83778 | 4235 | 4273 |
| Perkins | city | Idaho | United States | 43.605 | -116.27278 | 2706 | 113195 |
| Perrine | city | Idaho | United States | 42.65389 | -114.31611 | 3868 | 1088 |
| Peterson historical | city | Idaho | United States | 43.24 | -112.37528 | 4507 | 4846 |
| Petersons Crossing | city | Idaho | United States | 43.1225 | -116.87556 | 6391 | 19 |
| Picabo | city | Idaho | United States | 43.30583 | -114.06694 | 4845 | 98 |
| Pierce | city | Idaho | United States | 46.49111 | -115.79806 | 3198 | 61 |
| Pine | city | Idaho | United States | 43.48417 | -115.31111 | 4340 | 61 |
| Pine Creek | city | Idaho | United States | 47.54861 | -116.22139 | 2201 | 993 |
| Pine Ridge | city | Idaho | United States | 44.93889 | -116.38167 | 4199 | 138 |
| Pinehurst | city | Idaho | United States | 45.25278 | -116.33333 | 2798 | 62 |
| Pinehurst | city | Idaho | United States | 47.53889 | -116.23639 | 2198 | 1484 |
| Pineview | city | Idaho | United States | 44.28639 | -111.31 | 6105 | 19 |
| Pingree | city | Idaho | United States | 43.11667 | -112.59778 | 4409 | 1714 |
| Pioneerville | city | Idaho | United States | 43.96889 | -115.84583 | 4599 | 130 |
| Placerville | city | Idaho | United States | 43.94333 | -115.94611 | 4206 | 145 |
| Plano | city | Idaho | United States | 43.89111 | -111.89083 | 4842 | 1784 |
| Player Place | city | Idaho | United States | 42.02 | -114.81667 | 5839 | 28 |
| Plaza | city | Idaho | United States | 43.91139 | -116.43194 | 2572 | 5101 |
| Pleasant Valley | city | Idaho | United States | 43.44472 | -116.24611 | 2956 | 448 |
| Pleasant Valley Place | city | Idaho | United States | 42.54056 | -116.83639 | 5600 | 19 |
| Pleasant View | city | Idaho | United States | 47.68694 | -117.01139 | 2306 | 6813 |
| Pleasantview | city | Idaho | United States | 42.15611 | -112.33694 | 4461 | 140 |
| Plummer | city | Idaho | United States | 47.33528 | -116.8875 | 2713 | 388 |
| Plummer Junction | city | Idaho | United States | 47.34 | -116.86861 | 2700 | 387 |
| Pocatello | city | Idaho | United States | 42.87139 | -112.44472 | 4494 | 43503 |
| Pocono | city | Idaho | United States | 47.24667 | -116.04778 | 2398 | 33 |
| Pollock | city | Idaho | United States | 45.3125 | -116.35806 | 2204 | 55 |
| Ponderay | city | Idaho | United States | 48.30556 | -116.53278 | 2099 | 3640 |
| Poplar | city | Idaho | United States | 43.62028 | -111.685 | 5114 | 981 |
| Porthill | city | Idaho | United States | 48.99833 | -116.49694 | 1797 | 349 |
| Portneuf | city | Idaho | United States | 42.795 | -112.36278 | 4730 | 3965 |
| Post Falls | city | Idaho | United States | 47.71806 | -116.95056 | 2198 | 12494 |
| Potlatch | city | Idaho | United States | 46.92167 | -116.89722 | 2598 | 369 |
| Potlatch Junction | city | Idaho | United States | 46.92944 | -116.9325 | 2598 | 369 |
| Potter Place | city | Idaho | United States | 45.30778 | -116.43972 | 3989 | 56 |
| Pottsville historical | city | Idaho | United States | 47.46667 | -115.70528 | 4402 | 97 |
| Powell Junction | city | Idaho | United States | 46.57917 | -114.71778 | 5800 | 17 |
| Prairie | city | Idaho | United States | 43.505 | -115.57306 | 4796 | 62 |
| Preston | city | Idaho | United States | 42.09639 | -111.87583 | 4701 | 730 |
| Prichard | city | Idaho | United States | 47.65639 | -115.97528 | 2713 | 133 |
| Priest River | city | Idaho | United States | 48.18083 | -116.90833 | 2070 | 744 |
| Princeton | city | Idaho | United States | 46.91417 | -116.83306 | 2598 | 369 |
| Punkin Corner | city | Idaho | United States | 43.31333 | -114.90917 | 5095 | 33 |
| Pyke | city | Idaho | United States | 43.95944 | -111.72333 | 4898 | 2027 |
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