F
- Fairbanks
- Fairbury
- Fairdale
- Fairfield
- Fairfield
- Fairgrange
- Fairhaven
- Fairland
- Fairman
- Fairmont
- Fairmont
- Fairmont City
- Fairmount
- Fairview
- Fairview Heights
- Faithorn
- Fall Creek
- Falmouth
- Fancher
- Fancy Prairie
- Fandon
- Fargo
- Farina
- Farmdale
- Farmer City
- Farmersville
- Farmingdale
- Farmington
- Farmington
- Farm Ridge
- Farrington
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- Fayetteville
- Fayville
- Feakeyville
- Fenton
- Fergestown
- Fernway
- Ferrel
- Ferrin
- Ferris
- Fiatt
- Ficklin
- Fidelity
- Fieldon
- Fillmore
- Filson
- Findlay
- Finney
- Finneyville
- Fisher
- Fishhook
- Fithian
- Five Points
- Flag Center
- Flagg
- Flanagan
- Flat Rock
- Flatville
- Flatwoods
- Flemington
- Fletcher
- Flickerville
- Flint
- Flinton
- Flora
- Floraville
- Florence
- Florence
- Florid
- Flossmoor
- Fogarty
- Fond du Lac
- Foosland
- Ford Heights
- Forest City
- Forest Lake
- Forest Park
- Forest River
- Forest View
- Forman
- Formosa Junction
- Forrest
- Forreston
- Forsyth
- Fort Gage
- Fortinville
- Forty Acres
- Fossland
- Fosterburg
- Foster Pond
- Fountain
- Fountain Creek
- Fountain Green
- Four Corners
- Four Corners
- Fowler
- Fox
- Fox Chase Estates
- Fox Lake
- Fox Lake Hills
- Fox River Grove
- Fox River Shores
- Fox River Valley Gardens
- Foxville
- Francis
- Frankfort
- Frankfort Square
- Franklin
- Franklin Grove
- Franklin Park
- Franklinville
- Franklon Corners
- Franks
- Fravert
- Frederick
- Freeburg
- Freedville
- Freeman
- Freeman Spur
- Freeport
- Fremont Center
- French Village
- Frielings
- Friendsville
- Frisco
- Frogtown
- Frogtown
- Frontenac
- Fruit
- Fruitland
- Fuller
- Fullersburg
- Fullerton
- Fulls
- Fulton
- Fults
- Funkhouser
- Funks Grove
- Future City