Northwest Illinois Cities

172 cities

City
Rank
County
2025 Pop. ↓
Moline1Rock Island County42,329
Rock Island2Rock Island County36,290
Freeport3Stephenson County22,935
East Moline4Rock Island County20,915
Ottawa5LaSalle County18,763
Dixon6Lee County15,103
Sterling7Whiteside County14,459
Streator8LaSalle County12,241
Kewanee9Henry County12,065
Peru10LaSalle County9,764
LaSalle11LaSalle County9,388
Rock Falls12Whiteside County8,574
Silvis13Rock Island County8,004
Princeton14Bureau County7,622
Mendota15LaSalle County6,892
Geneseo16Henry County6,493
Spring Valley17Bureau County5,361
Milan18Rock Island County5,017
Colona19Henry County4,940
Marseilles20LaSalle County4,766
Morrison21Whiteside County3,967
Coal Valley22Rock Island County3,884
Oglesby23LaSalle County3,609
Fulton24Whiteside County3,564
Aledo25Mercer County3,497
Galena26Jo Daviess County3,179
Savanna27Carroll County2,692
Lena28Stephenson County2,642
Sheridan29LaSalle County2,410
Galva30Henry County2,380
Seneca31LaSalle County2,301
Amboy32Lee County2,211
Lake Summerset33Stephenson County2,132
Cambridge34Henry County2,021
Prophetstown35Whiteside County1,898
Carbon Cliff36Rock Island County1,801
Hampton37Rock Island County1,749
The Galena Territory38Jo Daviess County1,743
Orion39Henry County1,704
Stockton40Jo Daviess County1,652
Port Byron41Rock Island County1,637
Earlville42LaSalle County1,594
Thomson43Carroll County1,591
De Pue44Bureau County1,560
Erie45Whiteside County1,485
Lanark46Carroll County1,451
East Dubuque47Jo Daviess County1,447
Mount Carroll48Carroll County1,421
Ladd49Bureau County1,418
North Utica50LaSalle County1,347
Granville51Putnam County1,324
Warren52Jo Daviess County1,263
Walnut53Bureau County1,254
Andalusia54Rock Island County1,164
Willow Lake55Stephenson County1,042
Milledgeville56Carroll County984
Coyne Center57Mercer County978
Lake Carroll58Carroll County947
Ashton59Lee County933
Rapids City60Rock Island County932
Atkinson61Henry County923
Leland62LaSalle County923
Franklin Grove63Lee County870
Annawan64Henry County854
Wyanet65Bureau County852
Shannon66Carroll County851
Albany67Whiteside County848
Viola68Mercer County837
Hanover69Jo Daviess County819
Paw Paw70Lee County800
Sheffield71Bureau County792
Pearl City72Stephenson County750
Alexis73Mercer County747
Hennepin74Putnam County744
Apple Canyon Lake75Jo Daviess County740
Lost Nation76Lee County733
Tonica77LaSalle County733
Orangeville78Stephenson County732
Woodhull79Henry County728
Tiskilwa80Bureau County707
Sherrard81Mercer County687
Matherville82Mercer County685
Elizabeth83Jo Daviess County683
Tampico84Whiteside County670
La Moille85Bureau County665
Cordova86Rock Island County660
Alpha87Henry County648
Cedarville88Stephenson County638
Dalzell89Bureau County638
Como90Lee County610
New Boston91Mercer County602
Davis92Stephenson County562
Keithsburg93Mercer County545
Andover94Henry County535
Lyndon95Whiteside County527
Campbell's Island96Rock Island County521
Edgington97Rock Island County519
Grand Ridge98LaSalle County506
Mark99Putnam County504
Dayton100LaSalle County488
Reynolds101Rock Island County485
Chadwick102Carroll County474
Dakota103Stephenson County474
Oak Grove104Mercer County469
Buda105Bureau County461
Ohio106Bureau County455
Rock Island Arsenal107Rock Island County431
Lostant108LaSalle County429
Cherry109Bureau County417
Scales Mound110Jo Daviess County415
German Valley111Stephenson County413
Hillsdale112Rock Island County412
Naplate113LaSalle County412
Neponset114Bureau County404
Sublette115Lee County370
Joy116Mercer County356
Apple River117Jo Daviess County331
Seatonville118Bureau County309
Malden119Bureau County308
Ransom120LaSalle County308
Lee121Lee County307
Manlius122Bureau County288
Rock City123Stephenson County284
Bureau Junction124Bureau County276
McNabb125Putnam County272
Grand Detour126Lee County270
Winslow127Stephenson County267
Compton128Lee County265
Cedar Point129LaSalle County259
Serena130LaSalle County258
Rutland131LaSalle County255
Magnolia132Putnam County253
Ophiem133Henry County238
Kangley134LaSalle County228
Steward135Lee County222
Troy Grove136LaSalle County221
Standard137Putnam County220
Menominee138Jo Daviess County205
Seaton139Mercer County204
Mineral140Bureau County199
Preemption141Mercer County190
Wedron142LaSalle County181
Nachusa143Lee County172
Hooppole144Henry County171
Arlington145Bureau County164
Taylor Ridge146Rock Island County164
Coleta147Lee County160
North Henderson148Mercer County158
Dana149LaSalle County156
Cleveland150Henry County151
Osco151Henry County149
Galt152Whiteside County142
Dover153Bureau County132
Cable154Mercer County131
West Brooklyn155Lee County127
Nelson156Lee County124
Ridott157Stephenson County122
Leonore158LaSalle County120
Harmon159Lee County116
Bishop Hill160Henry County111
Nora161Jo Daviess County109
Triumph162LaSalle County106
Barstow163Rock Island County81
Millersburg164Mercer County78
Joslin165Rock Island County74
New Bedford166Bureau County74
Nekoma167Henry County65
Illinois City168Rock Island County46
Hollowayville169Bureau County43
Swedona170Henry County40
Deer Grove171Whiteside County39
Lynn Center172Henry County30

About Northwest Illinois

Sources

  1. City and Town Population Totals: 2020-2024