Towns
| State | City/Town | Town Title |
|---|---|---|
| Idaho | Parma | Parma, ID |
| Idaho | Paul | Paul, ID |
| Idaho | Payette | Payette, ID |
| Idaho | Peck | Peck, ID |
| Idaho | Picabo | Picabo, ID |
| Idaho | Pierce | Pierce, ID |
| Idaho | Pinehurst | Pinehurst, ID |
| Idaho | Pingree | Pingree, ID |
| Idaho | Placerville | Placerville, ID |
| Idaho | Plummer | Plummer, ID |
| Idaho | Pocatello | Pocatello, ID |
| Idaho | Pollock | Pollock, ID |
| Idaho | Ponderay | Ponderay, ID |
| Idaho | Porthill | Porthill, ID |
| Idaho | Post Falls | Post Falls, ID |
| Idaho | Potlatch | Potlatch, ID |
| Idaho | Preston | Preston, ID |
| Idaho | Priest River | Priest River, ID |
| Idaho | Princeton | Princeton, ID |
| Idaho | Rathdrum | Rathdrum, ID |
| Idaho | Reubens | Reubens, ID |
| Idaho | Rexburg | Rexburg, ID |
| Idaho | Richfield | Richfield, ID |
| Idaho | Rigby | Rigby, ID |
| Idaho | Riggins | Riggins, ID |