Place
- Lake County, Illinois2
- Lake Forest, Illinois2
- Lake Zurich, Illinois2
- Lansing, Illinois2
- Lemont, Illinois2
- Libertyville, Illinois2
- Lincolnshire, Illinois2
- Lincolnwood, Illinois2
- Lisle, Illinois2
- Lockport Heights, Illinois2
- Lockport, Illinois2
- Lombard, Illinois2
- Long Grove, Illinois2
- Long Lake, Illinois2
- Lynwood, Illinois2
- Lyons, Illinois2
- Markham, Illinois2
- Marley, Illinois2
- Matteson, Illinois2
- Maywood, Illinois2