Addison County Flag

Addison County

State:
Vermont
County Seat:
Middlebury

Addison County's 2026 population is estimated at 38,369, reflecting a 0.42% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Addison County is the 7th largest county in Vermont. The 2010 population was 36,813 and has grown 4.23% since 2010.

38,369
Total Population
50
Population Density (mi²)
7
Population Rank (State)
161 0.42%
Annual Population Growth

Addison County Population

Demographics

Economics and Income Statistics