The borough had the 27th-highest property tax rate in New Jersey, with an equalized rate of 4.179% in 2020, compared to 3.470% in the county as a whole and a statewide average of 2.279%.[19]

The borough houses the world headquarters of CNBC (NBCUniversal), the North American headquarters of South Korean conglomerate LG Corp,[20] and the American headquarters of global CPG conglomerate Unilever, and was home to both Ferrari and Maserati North America.[21]

Independence Township was originally created on November 11, 1782, from Hardwick Township, while the area was still part of Sussex County, and was incorporated as one of the state’s initial group of 104 townships by an act of the New Jersey Legislature on February 21, 1798. Most of Independence Township became part of the newly created Warren County on November 20, 1824, with the remainder becoming part of Green Township in Sussex County. Portions of the township were taken to form Hackettstown (March 9, 1853) and Allamuchy Township (April 4, 1873).[20] The township was named for American independence.[21]

Greenwich Township has at various times been a part of most of Northwestern New Jersey’s counties. The township was first mentioned in official documents on October 9, 1738, as a part of Hunterdon County. On March 15, 1739, it became part of the newly formed Morris County. On January 22, 1750, portions of the township were taken to form Hardwick Township. On June 8, 1753, Sussex County was created, and Greenwich Township was shifted again. Portions of the township were taken on May 30, 1754, to form both Mansfield Township and Oxford Township. The township was incorporated by an act of the New Jersey Legislature on February 21, 1798. It found its current home when Warren County was formed on November 20, 1824. On April 8, 1839, portions of the township were taken to create Franklin Township and Harmony Township. On March 7, 1851, Phillipsburg was created from parts of Greenwich, and Pohatcong Township went off on its own as of January 1, 1882.[21] The township was named for Greenwich, England.[22]

Fairfield Township was formed by Royal charter on May 12, 1697, from portions of the Cohansey Township area, while still part of Salem County, and was formed as a precinct in the newly created Cumberland County on January 19, 1748. It was incorporated on February 21, 1798, as one of the initial group of 104 townships in the state by an act of the New Jersey Legislature. Portions of the township were taken to form Downe Township (September 26, 1772), Millville Township (February 24, 1801) and Lawrence Township (February 17, 1885).[20]

The Borough of Somerdale was created on April 23, 1929, from portions of Clementon Township, one of seven municipalities created from the now-defunct township, and one of five new municipalities (including Hi-Nella Borough, Lindenwold Borough, Pine Hill Borough and Pine Valley Borough) created on that same date.[20]

Norwood was formed as a borough by an act of the New Jersey Legislature on March 14, 1905, from portions of Harrington Township.[21]

The area had been known as Smith’s Mill and was later called Butts Bridge (variously spelled as “Butt’s Bridge” and “Butts’ Bridge”), named for a family that owned the eponymous crossing of the Paulins Kill.[21]

Union Beach was formed as a borough by an act of the New Jersey Legislature on March 16, 1925, from portions of Raritan Township (now Hazlet), based on the results of a referendum held on April 16, 1925.[21] A 100-acre (40 ha) farm in the future borough was owned by the Poole family since the days of the American Revolutionary War. Following the development of the Central Railroad of New Jersey, the Poole Farm became the site of the Union Subdivision in 1908,[22] while an area that had been called East Point Beach Estates was renamed Union Beach by developer Charles Carr in 1920.[23]

Jamesburg was formed as a borough by an act of the New Jersey Legislature on March 19, 1887, when it was created from portions of Monroe Township, based on the results of a referendum held on March 15, 1887. Jamesburg’s incorporation was confirmed on April 15, 1915.[20]