Illinois Cities Starting With A

City
County
2026 Pop.
AuroraDuPage County181,666
Arlington HeightsCook County75,772
AddisonDuPage County35,742
AlgonquinMcHenry County31,039
AltonMadison County24,865
AlsipCook County18,357
AntiochLake County15,105
AuburnSangamon County4,416
AnnaUnion County4,062
AledoMercer County3,483
ArcolaDouglas County2,924
AbingdonKnox County2,807
AvistonClinton County2,473
ArthurDouglas County2,272
AmboyLee County2,192
AltamontEffingham County2,179
AthensMenard County1,865
AlbionEdwards County1,825
Arbury HillsWill County1,733
AtlantaLogan County1,619
AndalusiaRock Island County1,171
AshlandCass County1,150
AlbersClinton County1,111
AssumptionChristian County1,104
AtwoodDouglas County1,096
AshtonLee County922
AtkinsonHenry County917
AstoriaFulton County873
ArgentaMacon County863
AnnawanHenry County852
Apple Canyon LakeJo Daviess County850
AlbanyWhiteside County834
AlexisMercer County748
AshkumIroquois County712
ArgyleBoone County690
AvonFulton County665
AlphaHenry County648
Aroma ParkKankakee County644
AshmoreColes County624
AlhambraMadison County610
AvaJackson County540
AndoverHenry County532
AugustaHancock County526
AshleyWashington County446
AltonaKnox County445
AllendaleWabash County433
ArenzvilleCass County352
Apple RiverJo Daviess County331
AlexanderMorgan County318
ArmingtonTazewell County301
AlmaMarion County299
Alto PassUnion County297
ArrowsmithMcLean County267
AddievilleWashington County255
AllertonVermilion County237
Alvan (Alvin)Vermilion County212
AlseyScott County183
ArlingtonBureau County162
AnchorMcLean County154
AdamsAdams County149
AdairMcDonough County134
AllenvilleColes County128
AdelineOgle County71
AnnapolisCrawford County63
AndresKankakee County52
AldenMcHenry County44