| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Pagari | city | Idaho | United States | 43.12 | -114.07 | 4481 | |
| Page | city | Idaho | United States | 47.53 | -116.20 | 2739 | |
| Palisades | city | Idaho | United States | 43.35 | -111.22 | 5869 | |
| Palisades Corner | city | Idaho | United States | 43.98 | -116.91 | 2509 | |
| Paradise Hot Springs | city | Idaho | United States | 43.55 | -115.27 | 5029 | |
| Paradise Valley Summer Home Area | city | Idaho | United States | 44.67 | -115.66 | 6049 | |
| Pardee | city | Idaho | United States | 46.30 | -116.13 | 1220 | |
| Pardee Corner | city | Idaho | United States | 46.31 | -116.10 | 3349 | |
| Paris | city | Idaho | United States | 42.23 | -111.40 | 5971 | |
| Parker | city | Idaho | United States | 43.96 | -111.76 | 5029 | |
| Parkinson | city | Idaho | United States | 43.82 | -111.66 | 5203 | |
| Parkline | city | Idaho | United States | 47.34 | -116.69 | 2509 | |
| Parma | city | Idaho | United States | 43.79 | -116.94 | 2509 | |
| Patterson | city | Idaho | United States | 44.52 | -113.71 | 6279 | |
| Paul | city | Idaho | United States | 42.61 | -113.78 | 4189 | |
| Pauline | city | Idaho | United States | 42.57 | -112.56 | 5029 | |
| Payette | city | Idaho | United States | 44.08 | -116.93 | 2509 | |
| Payette Heights | city | Idaho | United States | 44.07 | -116.91 | 2509 | |
| Payne | city | Idaho | United States | 43.57 | -112.05 | 5029 | |
| Pearl | city | Idaho | United States | 43.86 | -116.32 | 4311 | |
| Pearson | city | Idaho | United States | 47.35 | -115.73 | 3349 | |
| Peavey | city | Idaho | United States | 42.58 | -114.65 | 3743 | |
| Pebble | city | Idaho | United States | 42.74 | -112.00 | 5869 | |
| Peck | city | Idaho | United States | 46.48 | -116.42 | 1194 | |
| Peck | city | Idaho | United States | 46.50 | -116.43 | 997 | |
| Pedee | city | Idaho | United States | 47.35 | -116.77 | 2509 | |
| Pegram | city | Idaho | United States | 42.14 | -111.13 | 6190 | |
| Pella | city | Idaho | United States | 42.48 | -113.84 | 4235 | |
| Perkins | city | Idaho | United States | 43.60 | -116.27 | 2706 | |
| Perrine | city | Idaho | United States | 42.65 | -114.32 | 4189 | |
| Peterson (historical) | city | Idaho | United States | 43.24 | -112.38 | 4507 | |
| Petersons Crossing | city | Idaho | United States | 43.12 | -116.88 | 6709 | |
| Picabo | city | Idaho | United States | 43.31 | -114.07 | 5029 | |
| Pierce | city | Idaho | United States | 46.49 | -115.80 | 3349 | |
| Pine | city | Idaho | United States | 43.48 | -115.31 | 4340 | |
| Pine Creek | city | Idaho | United States | 47.55 | -116.22 | 2509 | |
| Pine Ridge | city | Idaho | United States | 44.94 | -116.38 | 4199 | |
| Pinehurst | city | Idaho | United States | 45.25 | -116.33 | 2798 | |
| Pinehurst | city | Idaho | United States | 47.54 | -116.24 | 2509 | |
| Pineview | city | Idaho | United States | 44.29 | -111.31 | 6105 | |
| Pingree | city | Idaho | United States | 43.12 | -112.60 | 4409 | |
| Pioneerville | city | Idaho | United States | 43.97 | -115.85 | 4461 | |
| Placerville | city | Idaho | United States | 43.94 | -115.95 | 4206 | |
| Plano | city | Idaho | United States | 43.89 | -111.89 | 5029 | |
| Player Place | city | Idaho | United States | 42.02 | -114.82 | 5869 | |
| Plaza | city | Idaho | United States | 43.91 | -116.43 | 2572 | |
| Pleasant Valley | city | Idaho | United States | 43.44 | -116.25 | 3349 | |
| Pleasant Valley Place | city | Idaho | United States | 42.54 | -116.84 | 5869 | |
| Pleasant View | city | Idaho | United States | 47.69 | -117.01 | 2509 | |
| Pleasantview | city | Idaho | United States | 42.16 | -112.34 | 4465 | |
| Plummer | city | Idaho | United States | 47.34 | -116.89 | 2700 | |
| Plummer Junction | city | Idaho | United States | 47.34 | -116.87 | 2700 | |
| Pocatello | city | Idaho | United States | 42.87 | -112.45 | 4494 | |
| Pocono | city | Idaho | United States | 47.25 | -116.05 | 2509 | |
| Pollock | city | Idaho | United States | 45.31 | -116.36 | 2509 | |
| Ponderay | city | Idaho | United States | 48.31 | -116.53 | 2509 | |
| Poplar | city | Idaho | United States | 43.62 | -111.69 | 5114 | |
| Porthill | city | Idaho | United States | 49.00 | -116.50 | 1797 | |
| Portneuf | city | Idaho | United States | 42.79 | -112.36 | 5029 | |
| Post Falls | city | Idaho | United States | 47.72 | -116.95 | 2509 | |
| Potlatch | city | Idaho | United States | 46.92 | -116.90 | 2598 | |
| Potlatch Junction | city | Idaho | United States | 46.93 | -116.93 | 2598 | |
| Potter Place | city | Idaho | United States | 45.31 | -116.44 | 4189 | |
| Pottsville (historical) | city | Idaho | United States | 47.47 | -115.71 | 4402 | |
| Powell Junction | city | Idaho | United States | 46.58 | -114.72 | 5456 | |
| Prairie | city | Idaho | United States | 43.50 | -115.57 | 5029 | |
| Preston | city | Idaho | United States | 42.10 | -111.88 | 5029 | |
| Prichard | city | Idaho | United States | 47.66 | -115.98 | 2713 | |
| Priest River | city | Idaho | United States | 48.18 | -116.91 | 2070 | |
| Princeton | city | Idaho | United States | 46.91 | -116.83 | 2598 | |
| Punkin Corner | city | Idaho | United States | 43.31 | -114.91 | 5095 | |
| Pyke | city | Idaho | United States | 43.96 | -111.72 | 5029 |