- Pittsburg
- Plains
- Pleasant Valley
- Portland
- Potosi
- Powell
- Princeton
- Putnam
- Pettytown
- Pelican Island
- Pueblo
- Palacios Estates Colonia
- Palm Grove
- Palmer Colonia
- Palmetal
- Paredes Estates Colonia
- Pennsylvania Avenue Colonia
- Port Brownsville
- Port Harlingen
- Praxedis Saldivar Colonia
- Primero Island
- Pecan Heights
- Pine
- Palava
- Panhandle
- Patman
- Pleasant Hill
- Pledger
- Poorboy Landing
- Pruett