Green Brook Township, New Jersey
Green Brook Township is a township in Somerset County, in the U.S. state of New Jersey. It is centrally located within the Raritan Valley region. As of the 2020 United States census, the township's population was 7,281, an increase of 78 (+1.1%) from the 2010 census count of 7,203, which in turn reflected an increase of 1,549 (+27.4%) from the 5,654 counted in the 2000 census.
Green Brook Township, New Jersey | |
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Township | |
Washington Rock State Park Washington Avenue at the intersection of U.S. Route 22 Vail–Trust House | |
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Seal | |
| Motto(s): "Small Enough to Know You, Large Enough to Get Things Done". | |
Location of Green Brook Township in Somerset County highlighted in yellow (right). Inset map: Location of Somerset County in New Jersey highlighted in black (left).
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Census Bureau map of Green Brook Township, New Jersey. | |
Green Brook Township Location in Somerset County Green Brook Township Location in New Jersey Green Brook Township Location in the United States | |
| Coordinates: 40.603832°N 74.483208°W | |
| Country | United States |
| State | New Jersey |
| County | Somerset |
| Incorporated | April 2, 1872 (as North Plainfield Township) |
| Reincorporated | November 8, 1932 (as Green Brook Township) |
| Named for | Green Brook |
| Government | |
| • Type | Township |
| • Body | Township Committee |
| • Mayor | James Van Arsdale (R, term ends December 31, 2023) |
| • Administrator / Municipal clerk | Kelly G. Cupit |
| Area | |
| • Total | 4.42 sq mi (11.43 km2) |
| • Land | 4.41 sq mi (11.42 km2) |
| • Water | 0.01 sq mi (0.02 km2) 0.18% |
| • Rank | 285th of 565 in state 13th of 21 in county |
| Elevation | 246 ft (75 m) |
| Population (2020) | |
| • Total | 7,281 |
| • Estimate (2022) | 7,315 |
| • Rank | 312th of 565 in state 15th of 21 in county |
| • Density | 1,652.1/sq mi (637.9/km2) |
| • Rank | 325th of 565 in state 7th of 21 in county |
| Time zone | UTC−05:00 (Eastern (EST)) |
| • Summer (DST) | UTC−04:00 (Eastern (EDT)) |
| ZIP Code | 08812 |
| Area code(s) | 732 and 908 |
| FIPS code | 3403527510 |
| GNIS feature ID | 0882172 |
| Website | www |
What is now Green Brook was originally created as North Plainfield Township on April 2, 1872, from portions of Warren Township. Portions of the township were taken to form North Plainfield borough (June 9, 1885) and Watchung (March 23, 1926). Green Brook was incorporated as a township by an act of the New Jersey Legislature on November 8, 1932, replacing North Plainfield Township, based on the results of a referendum held that same day.
Green Brook describes itself as "Small Enough to Know You, Large Enough to Get Things Done". Most of Green Brook shares ZIP Code 08812 with Dunellen.