Millbrook is a village in Dutchess County, New York, United States. It is often said to be a "low-key version of the Hamptons" and one of the wealthiest towns in New York State. It is locater on the same side of the Hudson River as Poughkeepsie, Hopewell Junction, East Fishkill, and Wappingers Falls. As of the 2010 Census, Millbrook's population was 1,452. Millbrook is located in the Hudson Valley, an hour and thirty minute drive upstate of New York City.