Clima en todas las ciudades de Illinois
I
- Ida B Wells Housing Project
- Idlewild
- Idlewood
- Idylside
- Illinois City
- Illinois Park
- Illiopolis
- Ina
- Indian Head Park
- Indian Hill
- Indian Oaks
- Indian Ridge
- Indian Trails
- Industry
- Ingalls Park
- Ingalton
- Ingleside
- Inverness
- Iola
- Iowa Junction
- Iron
- Irondale
- Ironworkers Addition To South Chicago
- Iroquois
- Irving
- Irving Park
- Irvington
- Island Lake
- Island View
- Italian Bowery
- Itasca
- Iuka
- Ivanhoe
- Ivanhoe
- Jackson
- Jackson Park Highlands
- Jackson Park Terrace
- Jacksonville
- Jalapa
- Jamaica
- Jane Addams Homes
- Jefferson Park
- Jeisyville
- Jenkins
- Jerome
- Jerseyville
- Jess
- Jewell Road
- Jewett
- Jim Davis Mobile Home Park
- Johnsburg
- Johnsonville
- Johnston City
- Joliet
- Joliet Park District
- Joslin
- Joy
- Joy Prairie
- Juanitas Mobile Home Park
- Justice