| Rank | City | 2014 Population (Est.) | Growth Rate (Annual) |
|---|---|---|---|
| 1 | Chicago | 2,718,782 | 0.3% |
| 2 | Aurora | 199,963 | 0.3% |
| 3 | Rockford | 150,251 | -0.6% |
| 4 | Joliet | 147,806 | 0.1% |
| 5 | Naperville | 144,864 | 0.7% |
| 6 | Springfield | 117,006 | 0.2% |
| 7 | Peoria | 116,513 | 0.4% |
| 8 | Elgin | 110,145 | 0.6% |
| 9 | Waukegan | 88,826 | -0.1% |
| 10 | Cicero | 84,103 | 0.1% |
| 11 | Champaign | 83,424 | 1.0% |
| 12 | Bloomington | 78,902 | 1.0% |
| 13 | Arlington Heights | 75,994 | 0.4% |
| 14 | Evanston | 75,570 | 0.5% |
| 15 | Schaumburg | 74,907 | 0.3% |
| 16 | Decatur | 74,710 | -0.6% |
| 17 | Bolingbrook | 73,936 | 0.3% |
| 18 | Palatine | 69,350 | 0.4% |
| 19 | Skokie | 65,176 | 0.2% |
| 20 | Des Plaines | 58,918 | 0.3% |
| 21 | Orland Park | 58,590 | 1.1% |
| 22 | Tinley Park | 57,282 | 0.3% |
| 23 | Oak Lawn | 57,073 | 0.2% |
| 24 | Berwyn | 56,758 | 0.1% |
| 25 | Mount Prospect | 54,771 | 0.4% |
| 26 | Normal | 54,664 | 1.4% |
| 27 | Wheaton | 53,648 | 0.5% |
| 28 | Hoffman Estates | 52,398 | 0.3% |
| 29 | Oak Park | 52,066 | 0.1% |
| 30 | Downers Grove | 49,670 | 1.3% |
| 31 | Elmhurst | 45,556 | 1.1% |
| 32 | Glenview | 45,417 | 0.5% |
| 33 | Lombard | 43,907 | 0.6% |
| 34 | DeKalb | 43,849 | -0.0% |
| 35 | Moline | 43,116 | -0.3% |
| 36 | Belleville | 42,895 | -1.2% |
| 37 | Buffalo Grove | 41,778 | 0.2% |
| 38 | Urbana | 41,752 | 0.4% |
| 39 | Plainfield | 41,734 | 1.8% |
| 40 | Bartlett | 41,679 | 0.4% |
| 41 | Quincy | 40,915 | 0.2% |
| 42 | Crystal Lake | 40,388 | -0.3% |
| 43 | Carol Stream | 40,379 | 0.6% |
| 44 | Streamwood | 40,351 | 0.4% |
| 45 | Romeoville | 39,650 | -0.0% |
| 46 | Rock Island | 38,877 | -0.1% |
| 47 | Hanover Park | 38,510 | 0.5% |
| 48 | Carpentersville | 38,241 | 0.5% |
| 49 | Wheeling | 38,015 | 0.3% |
| 50 | Park Ridge | 37,839 | 0.3% |
| 51 | Addison | 37,385 | 0.4% |
| 52 | Calumet City | 37,240 | 0.2% |
| 53 | Glendale Heights | 34,620 | 0.4% |
| 54 | Pekin | 34,081 | -0.0% |
| 55 | Northbrook | 33,600 | 0.4% |
| 56 | Elk Grove Village | 33,419 | 0.3% |
| 57 | Woodridge | 33,408 | 0.4% |
| 58 | St. Charles | 33,264 | 0.3% |
| 59 | Danville | 32,523 | -0.5% |
| 60 | Oswego | 32,174 | 2.0% |
| 61 | Galesburg | 31,665 | -0.6% |
| 62 | Mundelein | 31,395 | 0.4% |
| 63 | Gurnee | 31,284 | -0.0% |
| 64 | Algonquin | 30,467 | 0.5% |
| 65 | Chicago Heights | 30,423 | 0.2% |
| 66 | North Chicago | 30,038 | -2.7% |
| 67 | Niles | 30,022 | 0.2% |
| 68 | Highland Park | 29,902 | 0.2% |
| 69 | Granite City | 29,375 | -0.5% |
| 70 | Burbank | 29,210 | 0.3% |
| 71 | O'Fallon | 29,143 | 1.0% |
| 72 | Lake in the Hills | 28,939 | -0.0% |
| 73 | Lansing | 28,508 | 0.2% |
| 74 | Oak Forest | 28,198 | 0.3% |
| 75 | Round Lake Beach | 28,093 | -0.1% |
| 76 | Glen Ellyn | 27,761 | 0.4% |
| 77 | West Chicago | 27,554 | 0.6% |
| 78 | Wilmette | 27,363 | 0.3% |
| 79 | Alton | 27,290 | -0.7% |
| 80 | Kankakee | 27,126 | -0.5% |
| 81 | McHenry | 26,676 | -0.4% |
| 82 | East St. Louis | 26,598 | -0.5% |
| 83 | Batavia | 26,394 | 0.4% |
| 84 | Carbondale | 26,363 | 0.6% |
| 85 | Vernon Hills | 25,613 | 0.7% |
| 86 | Melrose Park | 25,518 | 0.1% |
| 87 | Harvey | 25,361 | 0.1% |
| 88 | Belvidere | 25,339 | -0.3% |
| 89 | Huntley | 25,267 | 1.3% |
| 90 | Woodstock | 25,146 | 0.5% |
| 91 | Collinsville | 25,059 | -0.7% |
| 92 | Freeport | 25,035 | -0.8% |
| 93 | Lockport | 25,023 | 0.2% |
| 94 | Elmwood Park | 24,985 | 0.1% |
| 95 | Westmont | 24,974 | 0.4% |
| 96 | New Lenox | 24,962 | 0.8% |
| 97 | Edwardsville | 24,663 | 0.5% |
| 98 | Zion | 24,339 | -0.1% |
| 99 | Homer Glen | 24,320 | 0.1% |
| 100 | Rolling Meadows | 24,289 | 0.3% |
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