Which borough of New York City is the most densely populated and home of Marble Hill: Queens or Manhattan? 
Queens: Queens is the easternmost and largest in area of the five boroughs of New York City. Manhattan:  The borough consists mostly of Manhattan Island, bounded by the Hudson, East, and Harlem rivers; several small adjacent islands; and Marble Hill, a small neighborhood now on the U.S. mainland, physically connected to the Bronx and separated from the rest of Manhattan by the Harlem River.
i don't know