Place
- Harvey, Illinois1
- Hawthorn Woods, Illinois1
- Hazel Crest, Illinois1
- Hebron, Illinois1
- Highland Park, Illinois1
- Highwood, Illinois1
- Hinsdale, Illinois1
- Hoffman Estates, Illinois1
- Holiday Hills, Illinois1
- Homer Glen, Illinois1
- Homewood, Illinois1
- Huntley, Illinois1
- Indian Creek, Illinois1
- Indiana1
- Ingalls Park, Illinois1
- Inverness, Illinois1
- Iowa1
- Iraq1
- Island Lake, Illinois1
- Itasca, Illinois1