[21] C. A. Nothnagle Log House in Greenwich Township is one of the oldest standing wooden structures built by European settlers in the Eastern United States.

[22] It was likely built by early Finnish-Swedish settlers after 1638 but before 1700; its precise age has not been definitively determined.

A plaque at the house indicates that the structure was built between 1638 and 1643, while the National Register of Historic Places web site states: "Period of Significance: 1650–1699".

[1][2] Gibbstown, with a 2010 population of 3,739,[24] is an unincorporated community and census-designated place (CDP) in Greenwich Township.

[25] Other unincorporated communities, localities, and places located partially or completely in the township are Clements, Green, Monds Island, and Thompsons Point.

[27][28] The 2010 United States census counted 4,899 people, 1,946 households, and 1,352 families in the township.

Of all households, 24.9% were made up of individuals and 13.3% had someone living alone who was 65 years of age or older.

[41] As of the 2000 United States census,[14] there were 4,879 people, 1,866 households, and 1,393 families residing in the township.

22.1% of all households were made up of individuals, and 12.2% had someone living alone who was 65 years of age or older.

[6][43][44][45] As of 2025[update], the Mayor of Greenwich Township is Democrat Vincent Giovannitti, whose term of office ends December 31, 2023.

[53][54][55] For the 119th United States Congress, New Jersey's 1st congressional district is represented by Donald Norcross (D, Camden).

[58] For the 2024-2025 session, the 3rd legislative district of the New Jersey Legislature is represented in the State Senate by John Burzichelli (D, Paulsboro) and in the General Assembly by David Bailey (D, Woodstown) and Heather Simmons (D, Glassboro).

[100] Students in the county are eligible to apply to attend Gloucester County Institute of Technology, a four-year high school in Deptford Township that provides technical and vocational education.

[105] Route 44 passes through the center of the township[106] and U.S. Route 130 and Interstate 295 multiplexed together pass near the town's southern center with three interchanges: Exits 15, 16, and 17 on the border with neighboring East Greenwich Township.

[107] NJ Transit bus service is available between the township and Philadelphia on the 402 route.

People who were born in, residents of, or otherwise closely associated with Greenwich Township include: