| # | City | Population change 2020-2024 |
|---|---|---|
| 1 | Erie | +28.4% |
| 2 | Windsor | +27.5% |
| 3 | Frederick | +23.5% |
| 4 | Johnstown | +19.1% |
| 5 | Firestone | +18.5% |
| 6 | Castle Rock | +13.7% |
| 7 | Commerce City | +12.5% |
| 8 | Parker | +11.9% |
| 9 | Brighton | +8.5% |
| 10 | Grand Junction | +7.5% |
| 11 | Dacono | +7.1% |
| 12 | Delta | +7.1% |
| 13 | Montrose | +6.6% |
| 14 | Loveland | +6.2% |
| 15 | Broomfield | +5.7% |
| 16 | Salida | +5.6% |
| 17 | Greeley | +5.1% |
| 18 | Englewood | +4.8% |
| 19 | Cortez | +4.5% |
| 20 | Aurora | +4.3% |
| 21 | Durango | +3.8% |
| 22 | Glenwood Springs | +3.5% |
| 23 | Thornton | +3.4% |
| 24 | Steamboat Springs | +3.0% |
| 25 | Colorado Springs | +2.7% |
Top Colorado 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 Colorado”, https://gismap.land/rankings/colorado/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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