Place
- Knollwood, Illinois2
- La Grange Park, Illinois2
- La Grange, Illinois2
- Lake Barrington, Illinois2
- Lake Bluff, Illinois2
- Lake County, Illinois2
- Lake Forest, Illinois2
- Lake Zurich, Illinois2
- Lakewood Shores, Illinois2
- Lemont, Illinois2
- Libertyville, Illinois2
- Lincolnshire, Illinois2
- Lincolnwood, Illinois2
- Lisle, Illinois2
- Lockport Heights, Illinois2
- Lockport, Illinois2
- Lombard, Illinois2
- Long Grove, Illinois2
- Lorenzo, Illinois2
- Lyons, Illinois2