North Illinois Cities

169 cities

City
Rank
County
2024 Pop.
Rockford1Winnebago County145,270
Peoria2Peoria County109,665
DeKalb3DeKalb County40,208
Belvidere4Boone County25,301
Loves Park5Winnebago County23,312
Freeport6Stephenson County22,882
Machesney Park7Winnebago County22,529
East Peoria8Tazewell County21,871
Ottawa9LaSalle County18,721
Sycamore10DeKalb County18,717
Morton11Tazewell County17,590
Washington12Tazewell County15,759
Dixon13Lee County15,042
Streator14LaSalle County12,202
Roscoe15Winnebago County10,805
Peru16LaSalle County9,733
LaSalle17LaSalle County9,388
Rochelle18Ogle County9,281
South Beloit19Winnebago County7,865
Rockton20Winnebago County7,740
Princeton21Bureau County7,660
Mendota22LaSalle County6,892
Chillicothe23Peoria County5,933
Candlewick Lake24Boone County5,927
Bartonville25Peoria County5,729
Peoria Heights26Peoria County5,698
Lake Holiday27DeKalb County5,606
Genoa28DeKalb County5,480
Spring Valley29Bureau County5,402
Eureka30Woodford County5,176
Poplar Grove31Boone County5,153
Creve Coeur32Tazewell County4,796
Marseilles33LaSalle County4,757
Cortland34DeKalb County4,518
West Peoria35Peoria County4,118
Metamora36Woodford County3,862
Byron37Ogle County3,768
Oglesby38LaSalle County3,619
Oregon39Ogle County3,549
Germantown Hills40Woodford County3,446
Winnebago41Winnebago County2,859
Cherry Valley42Winnebago County2,853
Mount Morris43Ogle County2,796
El Paso44Woodford County2,729
Davis Junction45Ogle County2,545
Marquette Heights46Tazewell County2,473
Sheridan47LaSalle County2,413
Henry48Marshall County2,307
Polo49Ogle County2,242
Amboy50Lee County2,223
Lake Summerset51Stephenson County2,126
Lexington52McLean County2,067
Pecatonica53Winnebago County2,029
Roanoke54Woodford County1,927
Minonk55Woodford County1,894
Lacon56Marshall County1,856
Somonauk57DeKalb County1,751
Hudson58McLean County1,742
Westlake Village59Ogle County1,687
Chenoa60McLean County1,683
Kirkland61DeKalb County1,608
Earlville62LaSalle County1,592
Rome63Peoria County1,583
De Pue64Bureau County1,575
Ladd65Bureau County1,446
Gridley66McLean County1,427
North Pekin67Tazewell County1,427
Waterman68DeKalb County1,417
Forreston69Ogle County1,402
Capron70Boone County1,397
Durand71Winnebago County1,364
North Utica72LaSalle County1,337
Toluca73Marshall County1,331
Granville74Putnam County1,306
Walnut75Bureau County1,269
Hillcrest76DeKalb County1,210
Malta77DeKalb County1,128
Kingston78DeKalb County1,083
Stillman Valley79Ogle County1,056
Washburn80Marshall County1,015
Flanagan81Livingston County983
Willow Lake82Stephenson County973
Wenona83Marshall County967
Goodfield84Woodford County965
Ashton85Lee County940
Leland86LaSalle County924
Timberlane87Boone County902
Franklin Grove88Lee County873
Wyanet89Bureau County863
Shabbona90DeKalb County845
Paw Paw91Lee County805
New Milford92Ogle County789
Hennepin93Putnam County735
Orangeville94Stephenson County733
Lost Nation95Lee County731
Tonica96LaSalle County730
Tiskilwa97Bureau County722
Argyle98Boone County672
La Moille99Bureau County669
Bradford100Stark County649
Deer Creek101Tazewell County644
Dalzell102Bureau County643
Cedarville103Stephenson County638
Creston104Ogle County616
Davis105Stephenson County564
Congerville106Woodford County510
Grand Ridge107LaSalle County508
Mark108Putnam County500
Dayton109LaSalle County492
Spring Bay110Tazewell County481
Dakota111Stephenson County476
Ohio112Bureau County458
Cornell113Livingston County437
Lostant114LaSalle County431
Cherry115Bureau County426
Leaf River116Ogle County421
Hopewell117Marshall County418
German Valley118Stephenson County412
Naplate119LaSalle County411
Kings120DeKalb County405
Benson121Woodford County404
Monroe Center122Ogle County404
Chemung123Boone County399
Garden Prairie124Boone County383
Varna125Marshall County374
Sublette126Lee County372
Sparland127Marshall County364
Bay View Gardens128Tazewell County349
Secor129Woodford County333
Seatonville130Bureau County316
Malden131Bureau County309
Ransom132LaSalle County306
Lee133Lee County303
Grand Detour134Lee County281
Bureau Junction135Bureau County280
Rock City136Stephenson County280
McNabb137Putnam County268
Compton138Lee County264
Cedar Point139LaSalle County260
Mossville140Peoria County257
Rutland141LaSalle County254
Magnolia142Putnam County245
Serena143LaSalle County240
Kappa144McLean County228
Kangley145LaSalle County227
Steward146Lee County223
Troy Grove147LaSalle County220
Standard148Putnam County215
Long Point149Livingston County199
Holcomb150Ogle County195
Lowpoint151Woodford County182
Caledonia152Boone County179
Wedron153LaSalle County169
Arlington154Bureau County167
Nachusa155Lee County161
Baileyville156Ogle County160
Dana157LaSalle County156
Dover158Bureau County134
Harding159DeKalb County128
West Brooklyn160Lee County128
Nelson161Lee County123
Ridott162Stephenson County121
Leonore163LaSalle County120
Harmon164Lee County116
La Rose165Marshall County99
Triumph166LaSalle County99
Adeline167Ogle County74
Panola168McLean County44
Hollowayville169Bureau County37
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