Illinois : P
- Palatine (14)
- Paloma (1)
- Palos Heights (4)
- Palos Hills (10)
- Palos Park (1)
- Pana (7)
- Paris (7)
- Park Forest (1)
- Park Ridge (10)
- Paw Paw (1)
- Pawnee (1)
- Paxton (3)
- Pecatonica (2)
- Pekin (31)
- Peoria (148)
- Peoria Heights (1)
- Percy (1)
- Peru (13)
- Philo (1)
- Pierron (1)
- Pinckneyville (4)
- Pittsfield (4)
- Plainfield (4)
- Pleasant Plains (1)
- Pocahontas (1)
- Pontiac (15)
- Port Byron (1)
- Posen (1)
- Princeton (5)
- Princeville (1)
