Place
- Johnsburg, Illinois1
- Joliet, Illinois1
- Kane County, Illinois1
- Kaneville, Illinois1
- Kankakee County, Illinois1
- Kendall County, Illinois1
- Kenilworth, Illinois1
- Kildeer, Illinois1
- Knollwood, Illinois1
- Lake Barrington, Illinois1
- Lake Bluff, Illinois1
- Lake Catherine, Illinois1
- Lake County, Illinois1
- Lake Forest, Illinois1
- Lake In The Hills, Illinois1
- Lake Villa, Illinois1
- Lake Zurich, Illinois1
- Lakemoor, Illinois1
- Lakewood Shores, Illinois1
- Lakewood, Illinois1