Green Brook township, New Jersey
Green Brook township profile, demographic data, and geographic information.
Green Brook township is a geographic entity located in Somerset County, New Jersey. As of official census estimates, it has a reported population of 7,410. The land area covers 4.41 sq mi. [1]
Demographics & Population
| Demographic Metric | Estimate / Count | Margin of Error | Survey Period / Source |
|---|---|---|---|
| Total Population (2025 PEP Estimate) | 7,410 | — | 2025 / Census |
| Median Age | 46.4 yrs | ±4.9 | 2020-2024 / Census ACS 5-Year 2024 |
| Total Households | 2,382 | ±223 | 2020-2024 / Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).
Housing & Real Estate Profile
| Housing Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Total Housing Units | 2,432 | ±228 |
| Occupied Housing Units | 2,382 | ±223 |
| Vacant Housing Units | 50 | ±51 |
| Median Home Value | $538,500 | ±$81,881 |
| Median Gross Rent | $2,115 | ±$336 |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Economy & Workforce
| Economic Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Median Household Income | $208,375 | ±$44,931 |
| Per Capita Income | $75,703 | ±$10,078 |
| Poverty Rate | 6% | ±2.7% |
| Population Below Poverty Level | 421 | ±190 |
| Unemployment Rate | 5.7% | ±2.8% |
| Civilian Labor Force, Employed | 4,127 | ±383 |
| Broadband Internet Rate | 95.6% | ±1.9% |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Local Government & Public Administration
Authoritative general-purpose local government units serving this area
U.S. Census Bureau GUS (2026) / GMAF
| Government Unit | Unit Type | Jurisdiction Role | Contact / Address |
|---|---|---|---|
|
GUS Population: 7,451 (2024)
ID: 170341
|
Township | Official Local Government |
Contact: MAYOR
111 GREENBROOK RD, GREEN BROOK NJ 08812-2501
|
|
GUS Population: 357,467 (2024)
ID: 183766
|
County | Official County Government |
Contact: ASSISTANT TO THE COUNTY ADMINISTRATO
PO BOX 3000, SOMERVILLE NJ 08876-1262
|
Education
Listing 10 local institutions (NCES 2024-2025)
External reference via K12Guides
| Institution | Type | Grades | Location |
|---|---|---|---|
| Regular School Green Brook | 05-08 | Green Brook, NJ | |
| Regular School Green Brook | PK-04 | Green Brook, NJ | |
| Regular School Nearby | PK-05 | NEW BRUNSWICK, NJ | |
| Alternative School Nearby | N | AVENEL, NJ | |
| Regular School Nearby | 09-12 | ROSELLE, NJ | |
| Regular School Nearby | KG-08 | ELIZABETH, NJ | |
| Regular School Nearby | PK-01 | HILLSIDE, NJ | |
| Career and Technical School Nearby | 09-12 | SCOTCH PLAINS, NJ | |
| Career and Technical School Nearby | 09-12 | SCOTCH PLAINS, NJ | |
| Career and Technical School Nearby | 09-12 | SCOTCH PLAINS, NJ |
Source: k12guides.com.
Community Facilities & Infrastructure
Displaying 10 civic institutions across 2 datasets queried
CMS • IPEDS • IMLS
| Facility Name | Category | Relationship | Address / Location | Contact |
|---|---|---|---|---|
|
Yeshiva Gedolah Tiferes Boruch
|
College | 2.8 mi away | 21 Rockview Avenue, North Plainfield, NJ, 07060-0000 |
9087532600
|
|
WARREN TOWNSHIP BRANCH LIBRARY
|
Library | 1.1 mi away | 42 MOUNTAIN BLVD., WARREN, NJ, 07060 |
(201) 754-5554
|
|
Robert Fiance Beauty Schools-North Plainfield
|
College Vocational | 3.2 mi away | 121 Watchung Ave, North Plainfield, NJ, 07060 |
732442600710
|
|
DUNELLEN FREE PUBLIC LIBRARY
|
Library | 1.7 mi away | NEW MARKET ROAD, DUNELLEN, NJ, 08812 |
(201) 968-4585
|
|
Strayer University-New Jersey
|
College | 3.4 mi away | 242 Old New Brunswick Road, Ste 200, Piscataway, NJ, 08854 |
8774457180
|
|
MIDDLESEX PUBLIC LIBRARY
|
Library | 1.9 mi away | 1300 MOUNTAIN AVENUE, MIDDLESEX, NJ, 08846 |
(201) 356-6602
|
|
American Institute of Medical Sciences & Education
|
College | 3.8 mi away | 4500 New Brunswick Ave, Piscataway, NJ, 08854 |
9082220002
|
|
WESTERGARD LIBRARY
|
Library | 2.8 mi away | 20 MURRAY AVE., PISCATAWAY, NJ, 08854 |
(201) 752-1166
|
|
JFK Muhlenberg Harold B. and Dorothy A. Snyder Schools
|
College | 4.1 mi away | 1200 Randolph Rd, Plainfield, NJ, 07060 |
9086682400
|
|
NORTH PLAINFIELD BRANCH LIBRARY
|
Library | 2.9 mi away | 6 ROCKVIEW AVENUE, NORTH PLAINFIELD, NJ, 07060 |
(201) 755-7909
|
Distances calculated from authoritative source coordinates. Source: CMS, IMLS, NCES IPEDS.
Climate & Weather Observations
NOAA Monthly Climate Normals
Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at PLAINFIELD, NJ US, located 4.2 miles from Green Brook township. Local microclimates, topography, and elevation may cause municipal conditions to differ.
| Month | High (°F) | Low (°F) | Mean (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|---|
| January | 40.7° | 23.8° | 32.2° | 3.79" | 5.1" |
| February | 44.2° | 25.7° | 34.9° | 3.14" | 8.3" |
| March | 52.9° | 32.1° | 42.5° | 4.27" | 5.3" |
| April | 65.7° | 41.7° | 53.7° | 3.60" | 0.1" |
| May | 74.9° | 51.3° | 63.1° | 4.01" | 0.0" |
| June | 83.7° | 60.3° | 72.0° | 4.33" | 0.0" |
| July | 88.1° | 66.0° | 77.1° | 5.34" | 0.0" |
| August | 86.0° | 64.0° | 75.0° | 3.99" | 0.0" |
| September | 79.4° | 57.5° | 68.4° | 4.27" | 0.0" |
| October | 66.3° | 45.7° | 56.0° | 4.31" | 0.0" |
| November | 55.7° | 35.9° | 45.8° | 3.48" | 0.2" |
| December | 45.7° | 29.4° | 37.5° | 4.19" | 2.4" |
Source: NOAA U.S. Climate Normals (1991–2020).
Local Weather Forecast
Weather forecast data is currently unavailable in the local cache.
Nearby Cities & Communities
Listing adjacent communities by spatial proximity (miles)
Proximity discovery
| Community Name | Classification | Distance | Population |
|---|---|---|---|
| Dunellen borough | Borough | 1.3 mi | — |
| Middlesex borough | Borough | 2.2 mi | — |
| North Plainfield borough | Borough | 2.6 mi | — |
| Plainfield city | City | 3.6 mi | — |
| Watchung borough | Borough | 3.7 mi | — |
| Bound Brook borough | Borough | 3.8 mi | — |
Sources & Data Provenance
- Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 3403527510. • Official Source Dataset →
- Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
- Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
- Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.