Woolwich was formed by royal charter on March 7, 1767 from portions of Greenwich Township and was incorporated as one of New Jersey’s initial 104 townships by an act of the New Jersey Legislature on February 21, 1798. Portions of the township were taken to form Franklin Township (January 27, 1820), Spicer Township (March 13, 1844, now known as Harrison Township), West Woolwich Township (March 7, 1877, now known as Logan Township) and Swedesboro (April 9, 1902).[19][20] The township was named for Woolwich, England.[21]

Florham Park was incorporated as a borough by an act of the New Jersey Legislature on March 9, 1899, from portions of Chatham Township.[21][22] In 2012, Forbes.com listed Florham Park as 440th in its listing of “America’s Most Expensive ZIP Codes”, with a median home price of $675,107.[23] According to usa.com, from 2010–2014, the median home price was $612,400.

The township had the 24th-highest property tax rate in New Jersey, with an equalized rate of 4.285% in 2020, compared to 3.476% in the county as a whole and a statewide average of 2.279%.[23]

Oakland was incorporated as a borough by an act of the New Jersey Legislature on April 8, 1902, from portions of Franklin Township (now Wyckoff).[21][22] The name comes from the white oak trees in the area.[23]

Lumberton was incorporated as a township by an act of the New Jersey Legislature on March 14, 1860, from portions of Medford Township, Southampton Township and Eastampton Township. Portions of the township were taken on March 12, 1924, to form Hainesport.[20] The township was named for its early lumber industry, with pine trees cut down to supply wood used in Philadelphia.[21][22]

Florence was incorporated as a township by an act of the New Jersey Legislature on March 7, 1872, from portions of Mansfield Township.[22] The township was named for Florence, Italy.[23]

Red Bank was formed as a town on March 17, 1870, from parts of Shrewsbury Township. On February 14, 1879, Red Bank became Shrewsbury City, part of Shrewsbury Township; this lasted until May 15, 1879, when Red Bank regained its independence. On March 10, 1908, Red Bank was formed as a borough by an act of the New Jersey Legislature and was set off from Shrewsbury Township.[19][20] The borough was named for the red soil along the Navesink River.[21][22]

New Jersey Monthly magazine ranked Cedar Grove as its 4th best place to live in Essex County and 17th best place overall to live in its 2008 rankings of the “Best Places To Live” in New Jersey.[22]

Ridgefield Park was formed as a village on June 15, 1892, within Ridgefield Township, based on the results of a referendum passed on June 6, 1892. Overpeck Township was formed on March 23, 1897, to be coextensive with Ridgefield Park village, and was created within Ridgefield Township for the purpose of administering a Board of Education. Portions of the village gained in both 1921 and 1926 were taken from Bogota and Teaneck. On May 31, 1938, Overpeck Township became Ridgefield Park Township.[21] The village was named for the area’s terrain.[22]

Berkeley Heights was originally incorporated as New Providence Township by the New Jersey Legislature on November 8, 1809, from portions of Springfield Township, while the area was still part of Essex County. New Providence Township became part of the newly formed Union County at its creation on March 19, 1857. Portions of the township were taken on March 23, 1869, to create Summit, and on March 14, 1899, to form the borough of New Providence. On November 6, 1951, the name of the township was changed to Berkeley Heights, based on the results of a referendum held that day.[22] The township was named for John Berkeley, 1st Baron Berkeley of Stratton, one of the founders of the Province of New Jersey.[23]