Fair Lawn Borough is located in Bergen County, New Jersey in the northeast corner of the State. As of the 2010 census, Fair Lawn had a population of 32,457 residents. Its history can be traced back to the Lenni-Lenapi tribes, and was incorporated as a Borough in 1924.
Fair Lawn was incorporated as a Borough by an Act of the New Jersey Legislature on March 6, 1924, as “Fairlawn”, from portions of Saddle River Township. The name was taken from Fairlawn, David Acker’s estate home, that was built in 1865 and later became the Fair Lawn Municipal Building. In 1933, the official spelling of the borough’s name was split into its present two-word form as “Fair Lawn” Borough.
Fair Lawn is located at 40°56′09″N 74°07′03″W / 40.935833°N 74.117504°W (40.935833,-74.117504). According to the United States Census Bureau, the borough had a total area of 5.201 square miles (13.472 km2), of which, 5.139 square miles (13.311 km2) of it is land and 0.062 square miles (0.161 km2) of it (1.20%) is water. Its borders are: with Paterson (in Passaic County across the Passaic River) to the South and West; with Hawthorne across Lincoln Avenue to the West; with Glen Rock across Harristown Road, Maple Avenue, the Northern border of the Nabisco plant and its extension north of Garwood Road and Naugle Drive to the North; with Ridgewood at one point in the Saddle River; with Paramus across the Saddle River to the East; with Rochelle Park at another point in the Saddle River; with Saddle Brook across the two longer portions of S. Broadway and their extensions through Rosario Court to the South; and with Elmwood Park across the Bergen County Line, New Jersey Route 4 (Broadway), Cyril Avenue, and Willow St. to the South and West.