| County | Rank | Change (2020) ↓ | 2026 Pop. | 2020 Pop. |
|---|---|---|---|---|
| Grand Isle County | 1 | 3.28% | 7,516 | 7,277 |
| Essex County | 2 | 3.01% | 6,099 | 5,921 |
| Orange County | 3 | 2.38% | 29,993 | 29,296 |
| Franklin County | 4 | 2.34% | 51,213 | 50,041 |
| Addison County | 5 | 2.08% | 38,140 | 37,362 |
| Lamoille County | 6 | 1.97% | 26,439 | 25,927 |
| Caledonia County | 7 | 0.46% | 30,320 | 30,180 |
| Orleans County | 8 | 0.3% | 27,486 | 27,404 |
| Chittenden County | 9 | 0.09% | 168,563 | 168,412 |
| Washington County | 10 | -0.47% | 59,483 | 59,766 |
| Windsor County | 11 | -1.06% | 57,116 | 57,727 |
| Windham County | 12 | -2.03% | 44,929 | 45,858 |
| Rutland County | 13 | -2.06% | 59,233 | 60,476 |
| Bennington County | 14 | -2.79% | 36,275 | 37,318 |
Vermont's counties show varied growth patterns from 2020 to 2026. Grand Isle County leads with 0.54% annualized growth, followed by Essex County (0.49%) and Orange County (0.39%). The largest counties are Chittenden County (168,563), Washington County (59,483), and Rutland County (59,233). Of the 14 counties in Vermont, 9 are growing while 5 have experienced population decline. Overall, counties averaged 0.09% annualized growth, with total population growing by 0% annually.
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