
Washington County
- State:
- Vermont
- County Seat:
- Montpelier
Washington County's estimated 2025 population is 60,196 with a growth rate of 0.04% in the past year according to the most recent United States census data. Washington County is the 2nd largest county in Vermont. The 2010 population was 59,573 and has seen a growth of 1.05% since that time.