| Porterfield Town, WI (Town) |
| Portersville, PA (Borough) |
| Porterville, CA (City) |
| Portia, AR (Town) |
| Portico Community Development District, FL (CDD) |
| Portis, KS (City) |
| Portland, CT (Town) |
| Portland, AR (City) |
| Portland, IN (City) |
| Portland, TX (City) |
| Portland, ND (City) |
| Portland, OR (City) |
| Portland, TN (City) |
| Portland, ME (City) |
| Portland, NY (Town) |
