Southwest Illinois Cities

There are 137 cities in Illinois in the Southwest region.

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City
2024 Population
Belleville40,212
O'Fallon31,855
Granite City26,705
Edwardsville26,663
Alton24,805
Collinsville23,596
Godfrey17,526
East St. Louis17,389
Cahokia Heights16,869
Fairview Heights15,944
Shiloh14,944
Swansea14,512
Glen Carbon13,870
Troy11,295
Waterloo11,190
Columbia10,899
Wood River10,215
Highland9,935
Bethalto9,125
Mascoutah8,975
Maryville8,335
Jerseyville8,243
Chester6,706
Litchfield6,565
Pontoon Beach5,786
East Alton5,595
Carlinville5,479
Staunton4,919
Lebanon4,535
Freeburg4,474
Auburn4,410
Caseyville4,348
Scott AFB4,092
Sparta4,005
Millstadt3,902
Rosewood Heights3,900
Smithton3,865
Dupo3,769
Red Bud3,735
Holiday Shores3,352
New Baden3,345
Virden3,148
Gillespie3,094
Madison3,041
Trenton2,628
Washington Park2,466
Carrollton2,367
White Hall2,176
Brighton2,150
Fairmont City2,147
Mount Olive1,943
New Athens1,848
South Roxana1,842
Girard1,736
Marissa1,726
Bunker Hill1,586
Roodhouse1,498
Venice1,446
Benld1,403
Roxana1,401
St. Jacob1,367
Valmeyer1,206
Hartford1,147
Worden1,062
Greenfield1,005
Marine951
Hamel916
Pleasant Hill902
Mitchell873
Grafton807
Hardin782
Tilden744
Livingston739
Brooklyn618
Thayer609
Alhambra604
St. Libory603
Palmyra592
Murrayville546
Evansville535
Wilsonville524
Elsah516
Prairie Rocher512
Shipman499
Moro490
Lenzburg445
Hecker414
Prairietown391
East Carondelet370
Medora364
Grantfork338
New Douglas335
Summerfield328
Ellis Grove324
Mount Clare309
Ruma309
Baldwin308
Kampsville295
Fayetteville283
Kane280
Nebo275
East Gillespie260
Sawyerville259
Manchester253
White City218
Milton209
Lake Ka-Ho196
Nilwood196
Modesto179
Alsey177
Williamson175
Rockbridge169
Royal Lakes169
Chesterfield164
Fieldon163
Batchtown161
Maeystown147
Eldred144
Hettick140
Sauget130
Standard City126
Dorchester123
Brussels116
Eagarville109
Glasgow106
Pearl102
Rockport102
Fidelity98
Hamburg95
Scottville93
Hillview89
Wilmington87
Otterville82
Rockwood31
Floraville26
Fults24
Kaskaskia23
showing: 137 rows
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Illinois Cities by Region