Park Ridge was created as a borough by an act of the New Jersey Legislature on May 15, 1894, from portions of Washington Township, based on the results of a referendum held the previous day.[19] The borough was formed during the “Boroughitis” phenomenon then sweeping through Bergen County, in which 26 boroughs were formed in the county in 1894 alone.[20] Park Ridge obtained a portion of River Vale (July 15, 1929), exchanged portions with Woodcliff Lake (December 12, 1955), received part of Washington Township (November 26, 1956), exchanged portions with Hillsdale (February 10, 1958) and Woodcliff Lake (June 9, 1958) and received another part of Washington Township (August 11, 1958).[19] The borough’s name derives from its location.[21]

Mansfield was first formed on November 6, 1688, and reformed by Royal charter on May 9, 1770. Mansfield was incorporated by an act of the New Jersey Legislature on February 21, 1798, as one of New Jersey’s initial group of 104 townships. Portions of the township were taken to form Fieldsboro (March 7, 1850, within township; became fully independent c. 1894), Bordentown Township (March 8, 1852) and Florence Township (March 7, 1872).[20]

North Haledon was formed as a borough by an act of the New Jersey Legislature on March 20, 1901, from portions of the now-defunct Manchester Township.[21]

Edgewater Park was incorporated as a township by an act of the New Jersey Legislature on February 26, 1924, from portions of Beverly Township (now known as Delanco Township).[22] The township was named for its location along the Delaware River.[23]

Caldwell was incorporated as a borough by an act of the New Jersey Legislature on February 10, 1892, from portions of Caldwell Township (now Fairfield Township), based on the results of a referendum held on the previous day.[20] In 1981, the borough’s name was changed to the “Township of the Borough of Caldwell”, as one of seven Essex County municipalities to pass a referendum to become a township, joining four municipalities that had already made the change, of what would ultimately be more than a dozen Essex County municipalities to reclassify themselves as townships in order take advantage of federal revenue sharing policies that allocated townships a greater share of government aid to municipalities on a per capita basis.[21][22][23][24] Effective January 26, 1995, it again became a borough.[25]

Haledon was incorporated as a borough by an act of the New Jersey Legislature on April 8, 1908, replacing the now-defunct Manchester Township, based on the results of a referendum held on May 21, 1908.[21]

Westampton was incorporated as a township by an act of the New Jersey Legislature on March 6, 1850, from portions of Northampton Township (now known as Mount Holly Township). Portions of the township were taken to form Eastampton Township on February 11, 1880.[20] Its name derives from its original location in the western portion of what was Northampton Township.[21]

The current City of Absecon was originally incorporated as a town by an act of the New Jersey Legislature on February 29, 1872, from portions of Egg Harbor Township and Galloway Township. Then on March 24, 1902, the City of Absecon replaced the town.[22] The city is named for the Absegami tribe of Native Americans, from the word “Absogami”, which means “little stream”.[23]

Cresskill was incorporated as a borough by an act of the New Jersey Legislature on May 8, 1894, from portions of Palisades Township.[23] The borough was formed during the “Boroughitis” phenomenon then sweeping through Bergen County, in which 26 boroughs were formed in the county in 1894 alone.[24] A portion of the borough was annexed by Alpine in 1904.[23][25]

Ventnor City was incorporated as a city by an act of the New Jersey Legislature on March 17, 1903, from portions of Egg Harbor Township.[4][22]