Place
- River Grove, Illinois2
- Riverdale, Illinois2
- Riverside, Illinois2
- Riverwoods, Illinois2
- Robbins, Illinois2
- Rockdale, Illinois2
- Rolling Meadows, Illinois2
- Romeoville, Illinois2
- Roselle, Illinois2
- Rosemont, Illinois2
- Round Lake Beach, Illinois2
- Round Lake Heights, Illinois2
- Round Lake Park, Illinois2
- Round Lake, Illinois2
- Schaumburg, Illinois2
- Schiller Park, Illinois2
- Skokie, Illinois2
- South Barrington, Illinois2
- South Holland, Illinois2
- Stickney, Illinois2