Atlantic Yards the densest area in U.S.?

The Atlantic Yards project in downtown Brooklyn would be the most densely populated area of the United States. The densest census tract in the nation now is in West Harlem, where a two-block area has a density equivalent to 229,713 residents per square mile. The Atlantic Yards project will have a density equivalent to between 436,363 and 523,636 residents per mile. more [NYO]