Place
- Park Ridge, Illinois1
- Peotone, Illinois1
- Phoenix, Illinois1
- Pingree Grove, Illinois1
- Pistakee Highlands, Illinois1
- Plainfield, Illinois1
- Plano, Illinois1
- Plattville, Illinois1
- Plum Valley, Illinois1
- Port Barrington, Illinois1
- Posen, Illinois1
- Prairie Grove, Illinois1
- Prestbury, Illinois1
- Preston Heights, Illinois1
- Prospect Heights, Illinois1
- Rest Haven, Illinois1
- Richmond, Illinois1
- Richton Park, Illinois1
- Ridgefield, Illinois1
- Ridgewood, Illinois1