| Bergen County is the most populous county of the state of New Jersey, United States. As of the 2000 Census, the population was 884,118, growing to 904,037 as of the Census Bureau's 2006 estimate. It is part of the New York Metropolitan Area. Its county seat is Hackensack. Bergen County ranks as the 21st among the highest-income counties in the United States, with a per capita income of $33,638. |