
Waltham
- County:
- Addison County
- County Seat:
- No
- Area (mi²):
- 9.116
- State:
- Vermont
Waltham is located in Addison County, Vermont. Waltham has a 2025 population of 443. Waltham is currently declining at a rate of -0.45% annually and its population has decreased by -0.67% since the most recent census, which recorded a population of 446 in 2020.
The average household income in Waltham is $106,569 with a poverty rate of 4.75%. The median age in Waltham is 60.9 years: 55.7 years for males, and 65.9 years for females.