Bergenfield is a borough in Bergen County, New Jersey, United States. As of the 2010 United States Census, the borough's population was 26,764, reflecting an increase of 517 (+2.0%) from the 26,247 counted in the 2000 Census, which had in turn increased by 1,789 (+7.3%) from the 24,458 counted in the 1990 Census. New Jersey Monthly magazine ranked Bergenfield as its 211st best place to live in its 2010 rankings of the "Best Places To Live" in New Jersey. The magazine ranked Bergenfield as its 231st best place to live in its 2008 rankings of the "Best Places To Live".