| City | 2025 Pop. ↓ |
|---|---|
| Aurora | 180,822 |
| Arlington Heights | 75,145 |
| Addison | 35,752 |
| Algonquin | 30,754 |
| Alton | 24,799 |
| Alsip | 18,357 |
| Antioch | 15,230 |
| Auburn | 4,429 |
| Anna | 4,135 |
| Aledo | 3,497 |
| Arcola | 2,911 |
| Abingdon | 2,851 |
| Aviston | 2,454 |
| Arthur | 2,279 |
| Amboy | 2,211 |
| Altamont | 2,195 |
| Athens | 1,887 |
| Albion | 1,849 |
| Atlanta | 1,627 |
| Ashland | 1,181 |
| Andalusia | 1,164 |
| Albers | 1,120 |
| Assumption | 1,115 |
| Atwood | 1,092 |
| Ashton | 933 |
| Atkinson | 923 |
| Astoria | 877 |
| Argenta | 872 |
| Annawan | 854 |
| Albany | 848 |
| Alexis | 747 |
| Ashkum | 709 |
| Avon | 664 |
| Aroma Park | 650 |
| Alpha | 648 |
| Ashmore | 624 |
| Alhambra | 598 |
| Ava | 546 |
| Andover | 535 |
| Augusta | 534 |
| Altona | 448 |
| Ashley | 444 |
| Allendale | 439 |
| Arenzville | 356 |
| Apple River | 331 |
| Alma | 303 |
| Alto Pass | 303 |
| Armington | 302 |
| Arrowsmith | 270 |
| Addieville | 252 |
| Allerton | 250 |
| Alvan (Alvin) | 221 |
| Alsey | 180 |
| Arlington | 164 |
| Anchor | 159 |
| Allenville | 129 |
| Adeline | 74 |
| City | 2025 Pop. ↓ |
|---|---|
| Decatur | 68,209 |
| Des Plaines | 58,426 |
| Downers Grove | 50,644 |
| DeKalb | 40,557 |
| Danville | 27,694 |
| Darien | 22,019 |
| Dolton | 20,537 |
| Deerfield | 19,140 |
| Dixon | 15,103 |
| Du Quoin | 5,561 |
| Dwight | 4,033 |
| Dupo | 3,752 |
| Deer Park | 3,666 |
| Dixmoor | 2,928 |
| Diamond | 2,719 |
| Davis Junction | 2,539 |
| Dunlap | 1,592 |
| De Pue | 1,560 |
| Delavan | 1,537 |
| De Soto | 1,408 |
| Durand | 1,381 |
| Downs | 1,181 |
| Divernon | 1,110 |
| Danvers | 1,073 |
| Dieterich | 874 |
| Dallas City | 770 |
| Deer Creek | 646 |
| Dongola | 641 |
| Dalzell | 638 |
| Danforth | 564 |
| Davis | 562 |
| Damiansville | 556 |
| Dawson | 509 |
| Dahlgren | 490 |
| Dakota | 474 |
| Dix | 453 |
| De Land | 440 |
| Dalton City | 431 |
| Dowell | 367 |
| Dunfermline | 249 |
| Donovan | 235 |
| Du Bois | 179 |
| De Witt | 165 |
| Dana | 156 |
| Donnellson | 148 |
| Dover | 132 |
| Dorchester | 124 |
| Detroit | 74 |
| Deer Grove | 39 |
| City | 2025 Pop. ↓ |
|---|---|
| Elgin | 114,715 |
| Evanston | 75,553 |
| Elmhurst | 46,203 |
| Elk Grove Village | 31,578 |
| Edwardsville | 26,690 |
| Elmwood Park | 23,515 |
| East Peoria | 21,919 |
| East Moline | 20,915 |
| Evergreen Park | 19,159 |
| East St. Louis | 17,659 |
| Effingham | 12,460 |
| Elburn | 6,980 |
| East Alton | 5,584 |
| Eureka | 5,182 |
| Eldorado | 3,545 |
| East Dundee | 3,101 |
| El Paso | 2,728 |
| Elwood | 2,253 |
| Elmwood | 2,033 |
| Earlville | 1,594 |
| Erie | 1,485 |
| East Dubuque | 1,447 |
| East Hazel Crest | 1,245 |
| Edinburg | 1,049 |
| Energy | 953 |
| Essex | 856 |
| Elkville | 833 |
| Enfield | 773 |
| East Galesburg | 739 |
| Elizabeth | 683 |
| Evansville | 537 |
| Elsah | 517 |
| Equality | 499 |
| Emden | 451 |
| Elkhart | 437 |
| Edgewood | 390 |
| East Carondelet | 369 |
| Ellis Grove | 328 |
| Easton | 298 |
| Ewing | 294 |
| Elliott | 274 |
| East Gillespie | 258 |
| East Cape Girardeau | 244 |
| Elizabethtown | 221 |
| Ellsworth | 179 |
| Elvaston | 144 |
| Eldred | 142 |
| Eagarville | 114 |
| Emington | 98 |
| Eddyville | 96 |
| Ellisville | 84 |
| Exeter | 83 |
| East Brooklyn | 79 |
| El Dara | 61 |
| City | 2025 Pop. ↓ |
|---|---|
| Freeport | 22,935 |
| Frankfort | 21,372 |
| Franklin Park | 18,038 |
| Fairview Heights | 15,977 |
| Forest Park | 13,737 |
| Fox Lake | 10,915 |
| Flossmoor | 9,301 |
| Fairfield | 4,765 |
| Fox River Grove | 4,762 |
| Flora | 4,610 |
| Freeburg | 4,496 |
| Forsyth | 3,637 |
| Fulton | 3,564 |
| Fairbury | 3,555 |
| Farmington | 2,272 |
| Fairmont City | 2,147 |
| Fisher | 2,102 |
| Farmer City | 1,814 |
| Ford Heights | 1,738 |
| Forreston | 1,395 |
| Flanagan | 1,019 |
| Forrest | 1,013 |
| Franklin Grove | 870 |
| Forest View | 759 |
| Farmersville | 662 |
| Findlay | 644 |
| Franklin | 585 |
| Fairmount | 582 |
| Farina | 528 |
| Fithian | 468 |
| Fairview | 406 |
| Flat Rock | 317 |
| Fillmore | 292 |
| Fayetteville | 284 |
| Freeman Spur | 270 |
| Forest City | 208 |
| Fieldon | 159 |
| Ferris | 118 |
| Fidelity | 93 |
| Foosland | 75 |
| Fults | 25 |
| Florence | 16 |
| City | 2025 Pop. ↓ |
|---|---|
| Glenview | 47,404 |
| Glendale Heights | 32,807 |
| Gurnee | 30,518 |
| Galesburg | 29,125 |
| Glen Ellyn | 28,854 |
| Granite City | 26,688 |
| Grayslake | 21,273 |
| Geneva | 21,125 |
| Godfrey | 17,559 |
| Glen Carbon | 13,890 |
| Gilberts | 9,251 |
| Glencoe | 8,693 |
| Glenwood | 8,350 |
| Greenville | 7,100 |
| Geneseo | 6,493 |
| Genoa | 5,565 |
| Green Oaks | 4,106 |
| Germantown Hills | 3,456 |
| Gibson City | 3,437 |
| Galena | 3,179 |
| Gillespie | 3,068 |
| Georgetown | 2,968 |
| Galva | 2,380 |
| Girard | 1,759 |
| Gilman | 1,657 |
| Grayville | 1,491 |
| Gridley | 1,440 |
| Germantown | 1,401 |
| Grandview | 1,381 |
| Gardner | 1,367 |
| Greenup | 1,342 |
| Granville | 1,324 |
| Grant Park | 1,280 |
| Goreville | 1,051 |
| Griggsville | 1,041 |
| Greenfield | 994 |
| Goodfield | 960 |
| Gifford | 906 |
| Glasford | 846 |
| Grafton | 803 |
| Galatia | 778 |
| Greenview | 718 |
| Godley | 649 |
| Golden | 621 |
| Golconda | 619 |
| Green Valley | 594 |
| Grand Ridge | 506 |
| Golf | 502 |
| Grand Tower | 474 |
| German Valley | 413 |
| Good Hope | 351 |
| Grantfork | 338 |
| Greenwood | 315 |
| Gladstone | 218 |
| Gays | 208 |
| Gorham | 171 |
| Garrett | 129 |
| Glasgow | 106 |
| Golden Gate | 61 |
| Gulfport | 37 |
| City | 2025 Pop. ↓ |
|---|---|
| Hoffman Estates | 50,555 |
| Hanover Park | 36,520 |
| Highland Park | 30,953 |
| Huntley | 28,676 |
| Homer Glen | 24,940 |
| Harvey | 19,664 |
| Homewood | 18,642 |
| Hinsdale | 17,655 |
| Hickory Hills | 14,033 |
| Hazel Crest | 12,938 |
| Herrin | 12,230 |
| Highland | 10,015 |
| Hawthorn Woods | 9,707 |
| Harvard | 9,395 |
| Hampshire | 9,168 |
| Harwood Heights | 8,686 |
| Hillside | 7,968 |
| Harrisburg | 7,858 |
| Hillsboro | 5,736 |
| Highwood | 5,425 |
| Hoopeston | 4,638 |
| Hometown | 4,159 |
| Hainesville | 3,529 |
| Heyworth | 2,905 |
| Havana | 2,794 |
| Hamilton | 2,641 |
| Henry | 2,287 |
| Hinckley | 1,971 |
| Hudson | 1,768 |
| Hampton | 1,749 |
| Herscher | 1,487 |
| Hodgkins | 1,484 |
| Hebron | 1,399 |
| Harristown | 1,259 |
| Hanna City | 1,244 |
| Hillcrest | 1,202 |
| Hartford | 1,143 |
| Homer | 1,076 |
| Hamel | 925 |
| Hanover | 819 |
| Hopedale | 798 |
| Hardin | 757 |
| Hurst | 748 |
| Hennepin | 744 |
| Hopkins Park | 630 |
| Holiday Hills | 603 |
| Hoyleton | 501 |
| Hammond | 496 |
| Hutsonville | 469 |
| Hoffman | 429 |
| Hecker | 418 |
| Hopewell | 414 |
| Hillsdale | 412 |
| Hull | 369 |
| Herrick | 357 |
| Humboldt | 355 |
| Hanaford | 313 |
| Hume | 310 |
| Hindsboro | 272 |
| Henderson | 255 |
| Hartsburg | 253 |
| Henning | 199 |
| Hooppole | 171 |
| Harvel | 168 |
| Huey | 161 |
| Hettick | 141 |
| Harmon | 116 |
| Hidalgo | 107 |
| Hamburg | 93 |
| Hillview | 91 |
| Hollowayville | 43 |
| City | 2025 Pop. ↓ |
|---|---|
| Itasca | 9,497 |
| Island Lake | 8,073 |
| Inverness | 7,386 |
| Indian Head Park | 3,930 |
| Ina | 1,647 |
| Illiopolis | 831 |
| Irvington | 562 |
| Indian Creek | 535 |
| Iuka | 485 |
| Ipava | 422 |
| Industry | 385 |
| Irving | 360 |
| Ivesdale | 261 |
| Indianola | 217 |
| Iroquois | 130 |
| Iola | 95 |
| Irwin | 66 |
| City | 2025 Pop. ↓ |
|---|---|
| Joliet | 152,208 |
| Jacksonville | 17,690 |
| Justice | 12,192 |
| Jerseyville | 8,356 |
| Johnsburg | 6,443 |
| Johnston City | 3,291 |
| Jonesboro | 1,642 |
| Jerome | 1,636 |
| Junction City | 521 |
| Joy | 356 |
| Jeffersonville | 348 |
| Joppa | 328 |
| Jewett | 193 |
| Jeisyville | 99 |
| Johnsonville | 70 |
| Junction | 53 |
| City | 2025 Pop. ↓ |
|---|---|
| Kankakee | 23,417 |
| Kewanee | 12,065 |
| Kildeer | 4,672 |
| Knoxville | 2,826 |
| Kenilworth | 2,419 |
| Kirkland | 1,614 |
| Kincaid | 1,305 |
| Kingston | 1,092 |
| Kinmundy | 706 |
| Kansas | 644 |
| Kirkwood | 640 |
| Keithsburg | 545 |
| Kaneville | 445 |
| Keyesport | 402 |
| Karnak | 397 |
| Kenney | 306 |
| Kampsville | 288 |
| Kane | 276 |
| Kingston Mines | 266 |
| Kilbourne | 256 |
| Kappa | 232 |
| Kangley | 228 |
| Kinderhook | 182 |
| Kempton | 177 |
| Keensburg | 170 |
| Kell | 169 |
| Kinsman | 86 |
| Keenes | 49 |
| Kaskaskia | 23 |
| City | 2025 Pop. ↓ |
|---|---|
| Naperville | 154,046 |
| Normal | 53,374 |
| Northbrook | 34,394 |
| North Chicago | 30,613 |
| Niles | 29,700 |
| New Lenox | 28,789 |
| North Aurora | 19,589 |
| Norridge | 14,721 |
| Northlake | 12,343 |
| North Riverside | 7,103 |
| Northfield | 5,596 |
| New Baden | 3,387 |
| North Barrington | 3,143 |
| Nashville | 2,983 |
| Newton | 2,710 |
| Nokomis | 2,113 |
| New Athens | 1,850 |
| North Pekin | 1,430 |
| Neoga | 1,379 |
| New Berlin | 1,354 |
| North Utica | 1,347 |
| Norris City | 1,090 |
| Newark | 981 |
| Nauvoo | 902 |
| New Milford | 808 |
| Newman | 771 |
| Noble | 608 |
| New Boston | 602 |
| Niantic | 582 |
| North City | 496 |
| Norwood | 432 |
| Naplate | 412 |
| Neponset | 404 |
| New Haven | 374 |
| New Douglas | 337 |
| New Canton | 322 |
| Nebo | 270 |
| New Holland | 265 |
| Nason | 195 |
| Nilwood | 195 |
| Norris | 165 |
| New Minden | 162 |
| North Henderson | 158 |
| New Burnside | 152 |
| New Grand Chain | 143 |
| Nelson | 124 |
| New Salem | 115 |
| Nora | 109 |
| Naples | 96 |
| New Bedford | 74 |
| City | 2025 Pop. ↓ |
|---|---|
| Orland Park | 57,888 |
| Oak Lawn | 56,126 |
| Oak Park | 52,540 |
| Oswego | 39,786 |
| O'Fallon | 32,108 |
| Oak Forest | 26,673 |
| Ottawa | 18,763 |
| Olney | 8,366 |
| Oak Brook | 8,198 |
| Orland Hills | 6,629 |
| Olympia Fields | 4,563 |
| Oglesby | 3,609 |
| Oregon | 3,555 |
| Oakbrook Terrace | 2,724 |
| Oakwood Hills | 2,056 |
| Orion | 1,704 |
| Oblong | 1,344 |
| Okawville | 1,342 |
| Onarga | 1,282 |
| Oakwood | 1,263 |
| Oquawka | 1,060 |
| Odell | 977 |
| Odin | 894 |
| Oreana | 850 |
| Orangeville | 732 |
| Ogden | 729 |
| Oakland | 716 |
| Oneida | 677 |
| Oak Grove | 469 |
| Ohio | 455 |
| Orient | 319 |
| Olmsted | 262 |
| Oakford | 226 |
| Omaha | 203 |
| Owaneco | 202 |
| Oakdale | 197 |
| Old Mill Creek | 159 |
| Oconee | 135 |
| Ohlman | 106 |
| Old Shawneetown | 102 |
| Otterville | 82 |
| Old Ripley | 79 |
| City | 2025 Pop. ↓ |
|---|---|
| Peoria | 111,384 |
| Palatine | 65,521 |
| Plainfield | 49,858 |
| Park Ridge | 38,180 |
| Pekin | 31,126 |
| Park Forest | 20,865 |
| Palos Hills | 17,916 |
| Prospect Heights | 15,459 |
| Plano | 12,869 |
| Palos Heights | 12,005 |
| Pingree Grove | 11,790 |
| Pontiac | 11,015 |
| Peru | 9,764 |
| Paris | 8,030 |
| Park City | 7,954 |
| Princeton | 7,622 |
| Pontoon Beach | 5,842 |
| Peoria Heights | 5,779 |
| Posen | 5,373 |
| Poplar Grove | 5,190 |
| Pana | 4,997 |
| Pinckneyville | 4,937 |
| Palos Park | 4,794 |
| Paxton | 4,392 |
| Peotone | 4,247 |
| Pittsfield | 4,016 |
| Pawnee | 2,701 |
| Polo | 2,227 |
| Petersburg | 2,140 |
| Pecatonica | 2,052 |
| Prairie Grove | 1,950 |
| Prophetstown | 1,898 |
| Princeville | 1,718 |
| Phoenix | 1,637 |
| Port Byron | 1,637 |
| Port Barrington | 1,578 |
| Philo | 1,384 |
| Palestine | 1,201 |
| Payson | 991 |
| Percy | 906 |
| Pleasant Hill | 900 |
| Pleasant Plains | 814 |
| Paw Paw | 800 |
| Pearl City | 750 |
| Piper City | 735 |
| Pocahontas | 662 |
| Potomac | 648 |
| Palmyra | 590 |
| Pittsburg | 559 |
| Pesotum | 554 |
| Prairie du Rocher | 512 |
| Patoka | 503 |
| Pierron | 441 |
| Plymouth | 417 |
| Prairie City | 397 |
| Panama | 319 |
| Perry | 303 |
| Plainville | 257 |
| Plattville | 221 |
| Palmer | 209 |
| Parkersburg | 185 |
| Pulaski | 140 |
| Papineau | 128 |
| Pearl | 104 |
| Pontoosuc | 97 |
| Panola | 43 |
| Phillipstown | 33 |
| City | 2025 Pop. ↓ |
|---|---|
| Quincy | 38,588 |
| City | 2025 Pop. ↓ |
|---|---|
| Rockford | 147,183 |
| Romeoville | 41,269 |
| Rock Island | 36,290 |
| Round Lake Beach | 27,062 |
| Rolling Meadows | 23,619 |
| Roselle | 22,858 |
| Round Lake | 18,644 |
| Richton Park | 12,444 |
| Rantoul | 12,253 |
| River Forest | 11,831 |
| Roscoe | 10,985 |
| River Grove | 10,386 |
| Riverdale | 10,218 |
| Rochelle | 9,519 |
| Riverside | 8,889 |
| Rock Falls | 8,574 |
| Round Lake Park | 7,879 |
| Rockton | 7,861 |
| Robinson | 7,031 |
| Robbins | 4,554 |
| Rochester | 4,089 |
| Rosemont | 3,792 |
| Riverwoods | 3,783 |
| Red Bud | 3,755 |
| Riverton | 3,474 |
| Rushville | 2,889 |
| Round Lake Heights | 2,595 |
| Richmond | 2,132 |
| Rockdale | 1,973 |
| Roanoke | 1,921 |
| Roodhouse | 1,481 |
| Roxana | 1,397 |
| Rossville | 1,148 |
| Royalton | 1,037 |
| Rosiclare | 946 |
| Rapids City | 932 |
| Raymond | 913 |
| Ramsey | 890 |
| Ringwood | 836 |
| Roseville | 829 |
| Ridgway | 794 |
| Ridge Farm | 744 |
| Reynolds | 485 |
| Rankin | 469 |
| Roberts | 345 |
| Ruma | 309 |
| Ransom | 308 |
| Royal | 287 |
| Rock City | 284 |
| Raleigh | 275 |
| Rutland | 255 |
| Richview | 229 |
| Rio | 204 |
| Reddick | 194 |
| Radom | 180 |
| Royal Lakes | 171 |
| Rockbridge | 170 |
| Redmon | 132 |
| Ridott | 122 |
| Raritan | 96 |
| Russellville | 86 |
| Rose Hill | 82 |
| Ripley | 51 |
| Rockwood | 30 |
| City | 2025 Pop. ↓ |
|---|---|
| Tinley Park | 54,613 |
| Troy | 11,899 |
| Taylorville | 10,204 |
| Tuscola | 4,661 |
| Tolono | 3,580 |
| Trenton | 2,649 |
| Tilton | 2,507 |
| Thornton | 2,281 |
| Tremont | 2,240 |
| Teutopolis | 1,710 |
| Thomson | 1,591 |
| Toluca | 1,315 |
| Tower Lakes | 1,210 |
| Toulon | 1,159 |
| Toledo | 1,137 |
| Third Lake | 1,113 |
| Thomasboro | 1,021 |
| Timberlane | 901 |
| Tilden | 750 |
| Tonica | 733 |
| Taylor Springs | 722 |
| Tiskilwa | 707 |
| Tampico | 670 |
| Thayer | 612 |
| Tamaroa | 523 |
| Trout Valley | 506 |
| Thompsonville | 477 |
| Tower Hill | 471 |
| Tovey | 443 |
| Towanda | 424 |
| Tallula | 421 |
| Tamms | 361 |
| Table Grove | 329 |
| Troy Grove | 221 |
| Thawville | 202 |
| Thebes | 176 |
| Tennessee | 100 |
| Topeka | 55 |
| City | 2025 Pop. ↓ |
|---|---|
| Urbana | 40,072 |
| University Park | 7,021 |
| Union | 725 |
| Ursa | 583 |
| Ullin | 455 |
| Union Hill | 51 |
| City | 2025 Pop. ↓ |
|---|---|
| Vernon Hills | 27,046 |
| Villa Park | 21,973 |
| Volo | 7,648 |
| Vandalia | 7,333 |
| Virden | 3,128 |
| Villa Grove | 2,442 |
| Virginia | 1,460 |
| Venice | 1,442 |
| Vienna | 1,349 |
| Valmeyer | 1,210 |
| Viola | 837 |
| Vermont | 556 |
| Valier | 535 |
| Versailles | 456 |
| Varna | 371 |
| Virgil | 283 |
| Victoria | 257 |
| Vergennes | 236 |
| Verona | 207 |
| Vermilion | 192 |
| Venedy | 122 |
| Vernon | 99 |
| Valley City | 15 |
| City | 2025 Pop. ↓ |
|---|---|
| Xenia | 366 |
| City | 2025 Pop. ↓ |
|---|---|
| Yorkville | 27,041 |
| Yates City | 633 |
| Yale | 65 |