Fastest Growing Counties in Vermont (2025)

County
Rank
Change (2020)
2025 Pop.
2020 Pop.
Franklin County12.99%51,54450,046
Orange County22.64%30,06929,295
Grand Isle County31.99%7,4217,276
Essex County41.96%6,0365,920
Addison County51.86%38,05037,355
Caledonia County61.57%30,65630,182
Chittenden County70.79%169,729168,395
Washington County80.73%60,19659,757
Windham County90.52%46,10045,860
Windsor County100.46%58,00357,738
Lamoille County110.19%25,97425,924
Orleans County120.08%27,42427,403
Rutland County13-0.62%60,10760,484
Bennington County14-1.17%36,86337,301

Vermont County Growth Overview

Vermont's counties show varied growth patterns from 2020 to 2025. Franklin County leads with 2.99% annualized growth, followed by Orange County (2.64%) and Grand Isle County (1.99%). The largest counties are Chittenden County (169,729), Washington County (60,196), and Rutland County (60,107). Of the 14 counties in Vermont, 12 are growing while 2 have experienced population decline. Overall, counties averaged 1% annualized growth, with total population growing by 0.81% annually.