Bergenfield is a borough located in Bergen County within the state of New Jersey in the United States. It serves as a residential community situated in the northern part of the state.
According to the 2020 United States census, the borough had a population of 28,321. This figure represents a growth of 5.8% from the 2010 census count of 26,764, which followed an increase from the 26,247 residents recorded in 2000.