- Pacific Palisades
- Pacoima
- Palatine
- Palm Beach (Palm Beach, Florida)
- Palm Beach County
- Palm Beach Gardens
- Palm Beach Shores
- Palm City
- Palm Desert
- Palm Springs (Palm Beach, Florida)
- Palm Springs (Riverside, California)
- Palmdale
- Palmer Township
- Palms
- Palos Verdes Estates
- Panorama City
- Paramount
- Park Forest
- Park Hill
- Park La Brea
- Park Ridge
- Park Slope
- Parkchester
- Parkland
- Parkville
- Parramore
- Patapsco
- Patchogue
- Patterson Park
- Pearblossom
- Pelham Bay
- Pelham Parkway
- Pembroke Park
- Pembroke Pines
- Pen Argyl
- Pennsville
- Peotone
- Perrine
- Perry Hall
- Petersburg (Petersburg, Virginia)
- Phillipsburg
- Phoenix (Cook, Illinois)
- Pico Rivera
- Pico-Union
- Pigtown
- Pikesville
- Pilsen
- Pine Hills
- Pinecrest
- Pipersville
- Pittsburgh
- Pittsylvania County
- Placer County
- Plainfield (Windham, Connecticut)
- Plainfield (Will, Illinois)
- Plainview
- Plainville
- Plandome
- Plantation
- Playa Del Rey
- Pleasant Plains
- Pleasant Valley
- Pocomoke City
- Poinciana
- Point Harbor
- Point Lookout
- Point Phillip
- Polk County
- Pomfret
- Pomona
- Pompano Beach
- Poquoson (Poquoson, Virginia)
- Port Canaveral
- Port Deposit
- Port Jefferson
- Port Jefferson Station
- Port Orange
- Port Richmond
- Portage Park
- Porter
- Portsmouth (Portsmouth, Virginia)
- Prince George's County
- Prince William County
- Princess Anne
- Prospect
- Prospect Heights (Brooklyn, New York)
- Prospect Heights (Cook, Illinois)
- Providence Forge
- Puerto Rico
- Pullman
- Pungo
