Illinois Cities that begin with F

48 cities

City
County
2025 Pop. ↓
FreeportStephenson County22,629
FrankfortWill County21,301
Franklin ParkCook County17,519
Fairview HeightsSt. Clair County15,763
Forest ParkCook County13,248
Fox LakeLake County10,692
Frankfort SquareCook County9,390
FlossmoorCook County8,978
FloraClay County4,654
FairfieldWayne County4,652
Fox River GroveMcHenry County4,574
FreeburgSt. Clair County4,447
ForsythMacon County3,579
FairburyLivingston County3,535
FultonWhiteside County3,514
FairmontWill County2,629
Fox Lake HillsLake County2,350
FarmingtonFulton County2,248
Fairmont CityMadison County2,120
FisherChampaign County1,964
Farmer CityDe Witt County1,805
Ford HeightsCook County1,678
ForrestonOgle County1,395
Forest LakeLake County1,265
ForrestLivingston County1,007
FlanaganLivingston County977
Franklin GroveLee County867
Forest ViewCook County732
FarmersvilleMontgomery County659
FindlayShelby County641
FranklinMorgan County585
FairmountVermilion County581
FarinaFayette County522
FithianVermilion County462
FairviewFulton County404
Flat RockCrawford County310
FillmoreMontgomery County295
FayettevilleSt. Clair County281
Freeman SpurWilliamson County265
Forest CityMason County203
FieldonJersey County160
FerrisHancock County118
FowlerAdams County102
FidelityJersey County98
FooslandChampaign County71
FloravilleMonroe County27
FultsMonroe County24
FlorencePike County16