Christian Di Stasio

Bergen County is divided into 70 municipalities, but has no large cities. Its most populous place, with 43,010 residents at the time of the 2010 census, is Hackensack, which is also its county seat. Mahwah covered the largest area of any municipality, at 26.19 square mile.

Bergen County is the most populous county in the U.S. state of New Jersey. As of the 2018 Census estimate, the county's population was 936,692, an increase of 3.5% from the 2010 census, which in turn represented an increase of 20,998 (2.4%) from the 884,118 counted in the 2000 Census. Located in the northeastern corner of New Jersey and its Gateway Region, Bergen County is part of the New York City Metropolitan Area and is directly across the Hudson River from Manhattan, to which it is connected by the George Washington Bridge.

In 2015, the county had a per capita personal income of $75,849, the fourth-highest in New Jersey and ranked 45th of 3,113 counties in the United States. Bergen County is one of the wealthiest counties in the United States, with a median household income of $81,708 per the 2010 Census, increasing to an estimated $84,677 in 2014, which was almost 18% higher than the $71,919 median statewide. The county hosts an extensive park system totaling nearly 9,000 acres.