Green Brook is a township in Somerset County, New Jersey, home to about 7,028 people across 4.4 square miles. It has no ZIP code of its own: it’s part of 07069 and 08812.
Homes sold for a median of $380 per square foot across 2 ZIP codes in the three months ending August 2026, and all of them were seller’s markets.
Mostly Watchung; part is in Green Brook
Mostly Dunellen; part is in Green Brook
Each card is that ZIP code’s whole market, including any part outside Green Brook. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Green Brook’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Newark Liberty International Airport (EWR)17 miles away |
|---|---|
| Nearest city of 250,000+ | Newark, NJ18 miles away |
| Nearest city of 1 million+ | New York, NY28 miles away |
Straight-line distances from the center of Green Brook; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Green Brook had 7,281 residents in the 2020 census, up 29% since 2000.
It’s the 320th largest of 565 towns in New Jersey by population.
Somerset County grew from 32,948 residents in 1900 to 345,361 in 2020.
Somerset County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 88°F in summer, and winter lows average 24°F. About 48.7 inches of rain and melted snow fall in a typical year, with about 21 inches of snow.
Source: NOAA 1991–2020 climate normals, Plainfield, NJ weather station (3 miles away).
188,127 jobs at 9,831 businesses in Somerset County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
220 doctors and other health care providers list an office in Green Brook’s ZIP codes.
Nearest hospitals
Providers with an office here
| Primary care doctors | 22 |
|---|---|
| Specialist doctors | 20 |
| Dentists | 14 |
| Nurse practitioners and physician assistants | 37 |
| Mental health providers | 66 |
| Physical and occupational therapists | 31 |
| Optometrists | 17 |
| Chiropractors | 13 |
| Pharmacies | 7 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (16 nearby)
Grocery stores (2 nearby)
Pharmacies
Libraries (1 nearby)
Museums
Theaters and performance venues
Counts are within about 1.5 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Established in 1872.
Notable people born here
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Watchung Borough School District, Green Brook Township Public School District, Dunellen Public School District. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Bayberry SchoolWatchung | Pre-K–4 | 391 | Public | 4.6 mi |
| Irene E. Feldkirchner Elementary SchoolGreen Brook | Pre-K–4 | 404 | Public | 0.9 mi |
| John P. Faber Elementary SchoolDunellen | Pre-K–5 | 621 | Public | 0.8 mi |
| Green Brook Middle SchoolGreen Brook | 5–8 | 304 | Public | 0.7 mi |
| Valley View SchoolWatchung | 5–8 | 276 | Public | 3.1 mi |
| Lincoln Middle SchoolDunellen | 6–8 | 333 | Public | 0.2 mi |
| Dunellen High SchoolDunellen | 9–12 | 409 | Public | 0.3 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Dunellen, Watchung and Plainfield.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.