If you're going to go down that route, you'd also have to consider sections of NJ and Westchester County. The density of say, Jersey City is 16,736.6/sq mi. The

If you're going to go down that route, you'd also have to consider sections of NJ and Westchester County. The density of say, Jersey City is 16,736.6/sq mi. There's the Hudson River in between, but so what?