
Washington
- County:
- Dutchess County
- County Seat:
- No
- Area (mi²):
- 58.03
- State:
- New York
Washington is located in Dutchess County, New York. Washington has a 2025 population of 4,436. Washington is currently declining at a rate of -0.38% annually and its population has decreased by -1.31% since the most recent census, which recorded a population of 4,495 in 2020.
The average household income in Washington is $152,810 with a poverty rate of 10.12%. The median age in Washington is 55.7 years: 53.4 years for males, and 57.2 years for females.