Is Millbrook a good place for singles hoping to meet someone special?

I'm going to say no, but it's probably not as dire a situation as in some other small towns on the eastern side of Dutchess County. The Millbrook population is pretty low, only about 1400, and according to recent census data, only about a quarter of adults there are single/never married. That cuts the pool of candidates down quite significantly.

About the only good thing about Millbrook that I can say as far as the dating scene goes is that there are some nice restaurants from which to choose (which those other nearby towns don't necessarily have), but finding singles to date won't be easy.