- Packwood
- Panora
- Panorama Park
- Park View
- Parnell
- Paton
- Paullina
- Peosta
- Persia
- Peterson
- Pekin
- Popejoy
- Postville
- Prairieburg
- Primghar
- Promise City
- Peel Island
- Primrose
- Paralta
- Perrys Rollin' Homes Manor
- Port Louisa
- Pleasant Corner
- Purdy
- Pitzer
- Pleasant Valley Mobile Home Park
- Peoria
- Pershing
- Petersburg
- Pleasant Prairie
- Philby