Place
- Lake Zurich, Illinois3
- Lemont, Illinois3
- Libertyville, Illinois3
- Lincolnshire, Illinois3
- Lisle, Illinois3
- Lockport Heights, Illinois3
- Lockport, Illinois3
- Lombard, Illinois3
- Long Grove, Illinois3
- Markham, Illinois3
- Marley, Illinois3
- Matteson, Illinois3
- Mchenry County, Illinois3
- Mettawa, Illinois3
- Midlothian, Illinois3
- Mokena, Illinois3
- Morton Grove, Illinois3
- Mount Prospect, Illinois3
- Mundelein, Illinois3
- Niles, Illinois3