- Peel Island
- Pekin
- Pelican Ridge Mobile Home Community
- Pella
- Peoria
- Peoria
- Peosta
- Percival
- Perkins
- Perlee
- Perry
- Perry Yard
- Perrys Rollin' Homes Manor
- Pershing
- Persia
- Peter
- Petersburg
- Petersburg
- Peterson
- Petersville
- Pettis
- Philby
- Phillips
- Pickering
- Pickwick
- Pierceville
- Pierson
- Pigeon
- Pilot Grove
- Pilot Mound