- Perrine
- Petersons Crossing
- Picabo
- Pierce
- Pine
- Pine Creek
- Pine Ridge
- Pinehurst
- Pinehurst
- Pineview
- Pingree
- Pioneerville
- Placerville
- Plano
- Player Place
- Plaza
- Pleasant Valley
- Pleasant Valley Place
- Pleasant View
- Pleasantview
- Plummer
- Plummer Junction
- Pocatello
- Pocono
- Poison Creek Island
- Pollock
- Ponderay
- Pool Island
- Popcorn Island
- Popike Island