| # | City | Population change 2020-2024 |
|---|---|---|
| 1 | Vail | -7.9% |
| 2 | Aspen | -6.3% |
| 3 | Telluride | -5.5% |
| 4 | Sterling | -4.6% |
| 5 | Breckenridge | -3.7% |
| 6 | Arvada | -2.0% |
| 7 | Louisville | -2.0% |
| 8 | Craig | -1.8% |
| 9 | Trinidad | -1.8% |
| 10 | Littleton | -1.7% |
| 11 | Boulder | -1.6% |
| 12 | Golden | -1.3% |
| 13 | Fountain | -1.2% |
| 14 | Westminster | -1.2% |
| 15 | Wheat Ridge | -1.2% |
| 16 | Pueblo | -0.6% |
| 17 | Canon City | +0.4% |
| 18 | Centennial | +0.4% |
| 19 | Northglenn | +0.5% |
| 20 | Fort Collins | +0.6% |
| 21 | Lakewood | +0.6% |
| 22 | Lafayette | +0.7% |
| 23 | Alamosa | +0.9% |
| 24 | Longmont | +0.9% |
| 25 | Evans | +1.0% |
Top Colorado Counties
Counties ranked by the largest percent population decline 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-Shrinking Cities in Colorado”, https://gismap.land/rankings/colorado/fastest-shrinking-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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