- Piedmont
- Piegan
- Pierce Crossing
- Piltzville
- Pine Creek
- Pine Grove
- Pine Grove Trailer Court
- Pine Island
- Pine Park
- Pine Prairie
- Pinegrove
- Pinegrove Trailer Park
- Pinesdale
- Pinnacle
- Pioneer
- Pioneer
- Pioneer Junction
- Piper
- Pipestone
- Pipestone Hot Springs
- Pirogue Island
- Plains
- Pleasant Island
- Pleasant Park Mobile Home Court
- Pleasant Prairie
- Pleasant Valley Colony
- Pleasant View
- Plentywood
- Plevna
- PN Island