New Jersey Governor Chris Christie said on Thursday that nearly a 1,000 people had been rescued by authorities.
In blackened New York City neighborhoods, some residents complained there was a lack of police and feared an increase in crime. Some were also concerned about traffic safety. New York police officials were not immediately available to comment.
"People feel safe during the day but as soon as the sun sets, people are extremely scared. The fact that Guardian Angels are on the streets trying to restore law just shows how out of control the situation is in lower Manhattan," said Wolfgang Ban, owner of Edi & The Wolf restaurant in Manhattan's Alphabet City neighborhood.
The Guardian Angels are a group of anti-crime volunteers.
More than 15 people in the borough of Queens were charged with looting, and a man was charged on Thursday with threatening another driver with a gun after he tried to cut in on a line of cars waiting for gas, Queens District Attorney Richard Brown said.
The financial cost of the storm promised to be staggering. Disaster modeling company Eqecat estimated Sandy caused up to $20 billion in insured losses and $50 billion in economic losses, double its previous forecast.