- Fulton
- Farmington
- Fairfield
- Florence
- Ferber
- Frankfort
- Frisco
- Fairmont City
- Fairview Heights
- Farina
- Farmer City
- Forty Acres
- Fieldon
- Fisher
- Fithian
- Flanagan
- Flossmoor
- Foosland
- Ford Heights
- Forest View
- Forrest
- Forreston
- Fox Lake
- Fox Lake Hills
- Fox River Grove
- Frankfort Square
- Franklin Grove
- Freeman Spur
- Fults
- Fayette