
Washington
- County:
- Berkshire County
- County Seat:
- No
- Area (mi²):
- 38.002
- State:
- Massachusetts
Washington is located in Berkshire County, Massachusetts. Washington has a 2025 population of 498. Washington is currently growing at a rate of 0.2% annually and its population has increased by 1.22% since the most recent census, which recorded a population of 492 in 2020.
The average household income in Washington is $98,525 with a poverty rate of 1.51%. The median age in Washington is 58.4 years: 51.9 years for males, and 61 years for females.