Place
- River Forest, Illinois1
- River Grove, Illinois1
- Riverdale, Illinois1
- Riverside, Illinois1
- Riverwoods, Illinois1
- Robbins, Illinois1
- Rockdale, Illinois1
- Rolling Meadows, Illinois1
- Romeoville, Illinois1
- Roselle, Illinois1
- Rosemont, Illinois1
- Round Lake Beach, Illinois1
- Round Lake Heights, Illinois1
- Round Lake Park, Illinois1
- Round Lake, Illinois1
- Sauk Village, Illinois1
- Schaumburg, Illinois1
- Schiller Park, Illinois1
- Shelby County, Illinois1
- Shorewood, Illinois1