
Underhill
- County:
- Chittenden County
- County Seat:
- No
- Area (mi²):
- 51.215
- State:
- Vermont
Underhill is located in Chittenden County, Vermont. Underhill has a 2025 population of 3,061. Underhill is currently declining at a rate of -0.84% annually and its population has decreased by -2.7% since the most recent census, which recorded a population of 3,146 in 2020.
The average household income in Underhill is $121,592 with a poverty rate of 6.71%. The median age in Underhill is 43.3 years: 43 years for males, and 43.6 years for females.