Place
- Rockdale, Illinois2
- Rolling Meadows, Illinois2
- Romeoville, Illinois2
- Roselle, Illinois2
- Rosemont, Illinois2
- Round Lake Park, Illinois2
- Round Lake, Illinois2
- Schaumburg, Illinois2
- Schiller Park, Illinois2
- Shorewood, Illinois2
- Skokie, Illinois2
- South Barrington, Illinois2
- Stickney, Illinois2
- Stone Park, Illinois2
- Streamwood, Illinois2
- Summit, Illinois2
- Sunnyland, Illinois2
- Symerton, Illinois2
- Tinley Park, Illinois2
- Tower Lakes, Illinois2