Place
- Knollwood, Illinois1
- La Grange Park, Illinois1
- La Grange, Illinois1
- Lake Barrington, Illinois1
- Lake Bluff, Illinois1
- Lake County, Illinois1
- Lake Forest, Illinois1
- Lake Zurich, Illinois1
- Lakewood Shores, Illinois1
- Lemont, Illinois1
- Libertyville, Illinois1
- Lincolnshire, Illinois1
- Lincolnwood, Illinois1
- Lisle, Illinois1
- Lockport Heights, Illinois1
- Lockport, Illinois1
- Lombard, Illinois1
- Long Grove, Illinois1
- Lorenzo, Illinois1
- Lyons, Illinois1