
Millbrook
- County:
- Dutchess County
- County Seat:
- No
- Area (mi²):
- 1.86
- State:
- New York
Millbrook is a village located in Dutchess County, New York. Millbrook has a 2025 population of 1,431. Millbrook is currently declining at a rate of -0.35% annually and its population has decreased by -1.85% since the most recent census, which recorded a population of 1,458 in 2020.
The average household income in Millbrook is $111,559 with a poverty rate of 13.22%. The median age in Millbrook is 58.7 years: 51.9 years for males, and 61.3 years for females.