- Pearson Eddy
- Peavine Island
- Pebble Beach
- Pedigo
- Penawawa
- Pend Oreille Village
- Peninsula Mobile Park
- Penn Cove Park
- Penny Lynn Mobile Home Park
- Penrith
- Peola
- Peone
- Perrinville
- Perry
- Peshastin
- Pete Moore Island
- Peters Mobile Home Park
- Peterson Corner
- Peyton
- Phillips
- Pickard
- Picnic Island
- Picnic Point
- Picnic Point-North Lynnwood
- Piedmont
- Pierce
- Pierce Island
- Pifer
- Pigeon Springs
- Pilchuck