Fairview is a borough located in Bergen County, in the U.S. state of New Jersey. According to the 2020 United States census, the borough's population was 15,025, an increase of 1,190 (+8.6%) from the 2010 census count of 13,835, which in turn reflected an increase of 580 (+4.4%) from the 13,255 counted in the 2000 census.