New York 's population reached an all-time high in the 2000 census ; according to census estimates since 2000 , the city has continued to grow , including rapid growth in the most urbanized borough , Manhattan . During this period , New York City was a site of the September 11 attacks of 2001 ; 2,606 people who were in the towers and in the surrounding area were killed by a terrorist attack on the World Trade Center , an event considered highly traumatic for the city but which did not stop the city 's rapid regrowth . On November 3 , 2014 , One World Trade Center opened on the site of the attack . Hurricane Sandy brought a destructive storm surge to New York City in the evening of October 29 , 2012 , flooding numerous streets , tunnels , and subway lines in Lower Manhattan . It flooded low-lying areas of Brooklyn , Queens , and Staten Island . Electrical power was lost in many parts of the city and its suburbs
September 11 attacks
September 11 attacks
History of New York City