Green Brook
Township in Somerset County, New Jersey

Green Brook is a township in Somerset County, New Jersey, with 7,281 residents (2020 Census). It sits at 246 ft (75 m) above sea level. The nearest town is Dunellen, 1.3 miles SE.
- 7,281residents (2020 Census)
- 246 ftelevation · 75 m
- 4.4 sq miland area · 11.4 km²
- 1,652 / sq mipopulation density
- 08812main ZIP code (2 in total)
About Green Brook
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.
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 (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.
Text: Wikipedia · CC BY-SA 4.0
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Living in Green Brook
- Median household income
- $208,375
- Median home value
- $538,500
- Median rent
- $2,115/mo
- Median age
- 46.4
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Open in Google Maps ›Green Brook, NJ population
Green Brook had 7,281 residents in the 2020 Census.
| 2020 Census | 7,281 |
|---|---|
| Density | 1,652 per sq mi (638 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Green Brook at a glance
| State | New Jersey (NJ) |
|---|---|
| County | Somerset County |
| Type | Township |
| Population | 7,281 (2020) |
| Land area | 4.41 sq mi (11.4 km²) |
| Water area | 0.01 sq mi (0.02 km²) |
| Elevation | 246 ft (75 m) |
| Coordinates | 40.6038° N, 74.4832° W |
| ZIP codes | 08812, 07063 |
| Official website | greenbrooktwp.org |
| Census code (GEOID) | 3403527510 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Green Brook
- Dunellen1.3 mi SE
- Middlesex2.2 mi S
- North Plainfield2.6 mi NE
- Warren2.8 mi NW
- Plainfield3.6 mi E
- Watchung3.7 mi NE
- Bound Brook3.8 mi SW
- South Plainfield4.1 mi SE
- South Bound Brook4.2 mi SW
- Piscataway4.2 mi S
- Martinsville4.9 mi W
- Millington5.2 mi N
Straight-line distance between town centers.
Frequently asked questions about Green Brook
What county is Green Brook in?
Green Brook is in Somerset County, New Jersey.
What is the population of Green Brook, NJ?
7,281 people lived in Green Brook at the 2020 Census.
What is the ZIP code of Green Brook, NJ?
The main ZIP code is 08812. Other ZIP codes: 07063.
What is the elevation of Green Brook?
246 feet (75 m) above sea level.
What towns are near Green Brook?
Dunellen (1.3 mi), Middlesex (2.2 mi), North Plainfield (2.6 mi), Warren (2.8 mi), Plainfield (3.6 mi).
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