| # | City | Population change 2020-2024 |
|---|---|---|
| 1 | Plainfield | +8.9% |
| 2 | Champaign | +4.1% |
| 3 | Champaign-Urbana | +4.1% |
| 4 | Crystal Lake | +3.1% |
| 5 | Naperville | +2.4% |
| 6 | Urbana | +2.2% |
| 7 | Bolingbrook | +1.1% |
| 8 | Marion | +1.0% |
| 9 | Joliet | +0.9% |
| 10 | Romeoville | +0.9% |
| 11 | Bloomington | +0.7% |
| 12 | Elmhurst | +0.7% |
| 13 | DeKalb | +0.5% |
| 14 | Downers Grove | +0.5% |
| 15 | Normal | +0.5% |
| 16 | Addison | +0.1% |
| 17 | Aurora | +0.1% |
| 18 | Lombard | 0.0% |
| 19 | Elgin | -0.1% |
| 20 | Buffalo Grove | -0.3% |
| 21 | Carbondale | -0.3% |
| 22 | Ottawa | -0.3% |
| 23 | Edwardsville | -0.5% |
| 24 | Wheaton | -0.5% |
| 25 | Carol Stream | -0.7% |
Top Illinois Counties
Counties ranked by percent population change from April 2020 to July 2024.
Source: U.S. Census Bureau, 2010 Census and Population Estimates Program (Vintage 2024: April 2020 estimates base and July 1, 2024 estimate). Only cities covered by GIS Map with at least 1,000 residents are ranked. Estimates carry margins of error.
Citing this page: GIS Map, “Fastest-Growing Cities in Illinois”, https://gismap.land/rankings/illinois/fastest-growing-cities. Figures from U.S. Census Bureau, 2010 Census and Population Estimates Program (Vintage 2024: April 2020 estimates base and July 1, 2024 estimate).
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