Millbrook is a village in Dutchess County, New York, United States. According to the United States Census Bureau, the village has a total area of 1. New york preschool age of the census of 2000, there were 1,429 people, 678 households, and 361 families residing in the village.
There were 744 housing units at an average density of 397. There were 678 households out of which 23. 65 years of age or older. The average household size was 2. 10 and the average family size was 2.