I have no real knowledge of the subdistricts of NYC, I just know that it is a net loss as a whole (Edited to add: Lum hadn't stated in above post that NYC bureaus were counties when I wrote this, it was edited in, so don't think I'm ignoring it). I would not be surprised if one could slice out a profitable part of any county or cetera. Heck, as an extreme, draw a circle around the one richest guy and (maybe...) you've got a subset that's profitable. But any surplus in one city subdistrict is outweighed by the costs in the others, as of I think 2010 so might have changed.
I'll see if I can dig up the study; it was sent to me by the governor's office but not created by them so it might take a bit to remember for what to search. I know Saratoga county was (and had been but we're starting to rely more heavily on my memory than I'm comfortable doing) the only county that generated more tax dollars than it consumed.
The five boroughs of NYC are all bona fide New York state counties. Manhattan is its own county named "New York county" :-/
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