Housing data for Green Brook Township, NJ
Green Brook Township, NJ has an estimated 7,028 residents and 2,432 homes (US Census Bureau, 2020–2024 American Community Survey).
It is a township in Somerset County.
6.8% of households rent.
The median gross rent is $2,115 a month.
Figures last updated on .
- Residents
- 7,028 (±280)
- Housing units
- 2,432 (±228)
- Households that rent
- 6.8%
- Median gross rent
- $2,115
- Residents since 2015–2019
- −1.2%
What stands out in Green Brook Township
Rental vacancy rate: 23.7% (±19.3 points) in Green Brook Township, higher than in Somerset County (2.0%).
Households that rent: 6.8% (±4.8 points) in Green Brook Township, lower than in Somerset County (25.7%).
Median household income: $208,375 (±$44,931) in Green Brook Township, higher than in Somerset County ($140,374).
Homes heated by fuel oil: 1.9% (±2.1 points) in Green Brook Township, lower than in Somerset County (4.3%).
Housing in Green Brook Township at a glance
- Median rent: $2,115 median gross rent a month
- Rent burden: 38.3% of renters pay 30% or more of income (Small sample: wide margin of error)
- Renters and owners: 6.8% of households rent (Small sample: wide margin of error)
- Income and affordability: $208,375 median household income
- Home values: $538,500 median home value
- Homeowner costs: $3,359 median monthly cost with a mortgage
- Property taxes: $10,000 or more median real estate taxes a year
- Types of homes: 16.5% of homes are in buildings of 5 or more units
- Bedrooms: 71.9% of homes have 3 or more bedrooms
- Age of homes: 50.0% of homes were built before 1980
- Vacancy rate: 23.7% rental vacancy rate (Small sample: wide margin of error)
- Heating fuel: 89.3% heat with utility gas
- Commute and cars: 30.4 minutes average trip to work
- Crime reported to police: 106 violent crimes per 100,000 residents
- Growth: −1.2% residents since 2015–2019
- How long people stay: 16.1% moved in since 2020
- Crowding and facilities: 0.9% of homes have more than 1 person per room (Small sample: wide margin of error)
Green Brook Township against Somerset County, its state and the nation
| Green Brook Township | Somerset County | New Jersey | United States | |
|---|---|---|---|---|
| Residents | 7,028 (±280) | 349,846 (exact) | 9,343,809 (exact) | 334,922,499 |
| Housing units | 2,432 (±228) | 133,639 (±156) | 3,791,354 (±469) | 143,775,355 |
| Households that rent | 6.8% (±4.8 points) | 25.7% (±0.9 points) | 36.2% (±0.2 points) | 34.8% |
| Median gross rent | $2,115 (±$336) | $2,033 (±$52) | $1,720 (±$7) | $1,413 |
| Median household income | $208,375 (±$44,931) | $140,374 (±$3,294) | $103,556 (±$513) | $80,734 |
| Median home value | $538,500 (±$81,881) | $552,100 (±$7,374) | $454,400 (±$1,150) | $332,700 |
| Median real estate taxes (a year) | $10,000 or more | $10,000 or more | $9,590 (±$25) | $3,119 |
| Built before 1980 | 50.0% (±10.6 points) | 46.3% (±1.3 points) | 62.8% (±0.3 points) | 49.7% |
| Average commute | 30.4 minutes (±4.2) | 31.4 minutes (±0.7) | 30.5 minutes (±0.1) | 26.4 minutes |
| Households with broadband | 95.6% (±2.4 points) | 95.8% (±0.5 points) | 92.8% (±0.1 points) | 91.0% |
| Median age of residents | 46.4 years (±4.9) | 41.8 years (±0.2) | 40.1 years (±0.1) | 38.9 years |
Green Brook Township covers 4.4 square miles of land, about 1,595 residents per square mile (Census Bureau Gazetteer).
How Green Brook Township has changed since 2015–2019
| 2015–2019 | 2020–2024 | Amount of change | Verdict | |
|---|---|---|---|---|
| Residents | 7,114 (±169) | 7,028 (±280) | −1.2% | Not a measurable change |
| Housing units | 2,246 (±131) | 2,432 (±228) | +8.3% | Not a measurable change |
| Median gross rent | $2,290 (±$438) | $2,115 (±$336) | −7.6% | Down after inflation |
| Median home value | $486,300 (±$49,276) | $538,500 (±$81,881) | +10.7% | No measurable change after inflation |
| Median household income | $148,535 (±$14,506) | $208,375 (±$44,931) | +40.3% | No measurable change after inflation |
| Median owner cost with a mortgage | $3,188 (±$430) | $3,359 (±$532) | +5.4% | No measurable change after inflation |
| Households that rent | 7.0% (±3.6 points) | 6.8% (±4.8 points) | −0.2 percentage points | Not a measurable change |
| Rental vacancy rate | 0.0% (±20.4 points) | 23.7% (±19.3 points) | +23.7 percentage points | Not a measurable change |
The Census Bureau publishes 2015–2019 dollars in 2019 dollars and 2020–2024 dollars in 2024 dollars.
Prices (the CPI-U, US Bureau of Labor Statistics) rose 22.7% between 2019 and 2024, so a dollar figure’s verdict compares the two after raising the earlier one by that much, using the Census Bureau’s test for a difference.
The two periods do not overlap, as the Census Bureau recommends for 5-year estimates.
Crime reported to police in Green Brook Township
In 2025, the Green Brook Township Police Department reported 106 violent and 519 property crimes per 100,000 residents to the FBI.
Across Somerset County, the departments that report recorded 60 violent and 566 property crimes per 100,000 residents that year.
ZIP codes in Green Brook Township
| ZIP code | Share of the ZIP’s land in this place | Residents | Median gross rent | Median home value | Median household income |
|---|---|---|---|---|---|
| 08812 | 78% | 14,224 | $1,866 | $442,900 | $118,316 |
A ZIP code is a mail route rather than a boundary, so the Census Bureau publishes figures for ZIP Code Tabulation Areas built from census blocks; the share column says how much of each one’s land lies in this place.
Places near Green Brook Township
| Place | Distance | Median gross rent | Median home value | Households that rent |
|---|---|---|---|---|
| Dunellen Borough | 1.3 mi | $1,835 | $393,500 | 38.6% |
| Middlesex Borough | 2.2 mi | $1,416 | $446,400 | 26.1% |
| North Plainfield Borough | 2.6 mi | $1,752 | $374,700 | 46.7% |
| Warren Township | 2.8 mi | $2,170 | $930,800 | 11.8% |
| Plainfield | 3.6 mi | $1,767 | $410,800 | 55.2% |
| Watchung Borough | 3.7 mi | $2,738 | $882,500 | 15.9% |
| Bound Brook Borough | 3.8 mi | $1,973 | $397,100 | 55.2% |
| South Plainfield Borough | 4.1 mi | $2,107 | $470,900 | 14.1% |
Places in New Jersey most like Green Brook Township
| Place | Median gross rent | Median home value | Median household income | Households that rent |
|---|---|---|---|---|
| Bridgewater Township | $2,176 | $605,500 | $172,851 | 15.1% |
| Montville Township | $2,372 | $700,200 | $169,083 | 12.3% |
| Hopewell Township (Mercer County) | $2,128 | $561,900 | $178,167 | 8.8% |
| Kendall Park | $1,928 | $590,300 | $165,958 | 15.1% |
| Norwood Borough | $2,094 | $709,100 | $178,311 | 20.8% |
| Branchburg Township | $2,268 | $610,800 | $168,832 | 16.8% |
Matched on rent, home value, income, the share who rent, the age of the homes, the share in apartment buildings and the commute, each measured against the spread across New Jersey.
HUD Fair Market Rent for Green Brook Township, fiscal year 2027
| Studio | 1 bedroom | 2 bedrooms | 3 bedrooms | 4 bedrooms |
|---|---|---|---|---|
| $1,953 | $2,103 | $2,623 | $3,125 | $3,508 |
HUD income limits for Green Brook Township, fiscal year 2026
| Household size | Extremely low (30%) | Very low (50%) | Low (80%) |
|---|---|---|---|
| 1 person | $32,550 | $54,200 | $80,200 |
| 2 people | $37,200 | $61,950 | $91,700 |
| 3 people | $41,850 | $69,700 | $103,150 |
| 4 people | $46,450 | $77,400 | $114,600 |
| 5 people | $50,200 | $83,600 | $123,800 |
| 6 people | $53,900 | $89,800 | $132,950 |
| 7 people | $57,600 | $96,000 | $142,150 |
| 8 people | $61,350 | $102,200 | $151,300 |
These are the limits HUD sets for its housing programs in the Middlesex-Somerset-Hunterdon, NJ HUD Metro FMR Area, where HUD’s median family income for fiscal year 2026 is $154,800.
A program can use its own limits; tax-credit and local programs often do.
Survey years: 2020–2024 (American Community Survey 5-year estimates), compared with 2015–2019.
Margins of error are at the 90% confidence level.
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Questions about Green Brook Township
What is the average rent in Green Brook Township, NJ?
The Census Bureau publishes the median rather than the average: the median gross rent in Green Brook Township is $2,115 (±$336) a month (2020–2024 American Community Survey), so half of renting households pay less and half pay more.
What is the median household income in Green Brook Township?
The median household income in Green Brook Township is $208,375 (±$44,931) a year (2020–2024 American Community Survey).
What is the average home value in Green Brook Township, NJ?
The Census Bureau publishes the median: $538,500 (±$81,881) for owner-occupied homes in Green Brook Township (2020–2024 American Community Survey).
What is the average mortgage payment in Green Brook Township?
The Census Bureau publishes total owner costs rather than the mortgage alone: the median for owners with a mortgage in Green Brook Township, NJ is $3,359 (±$532) a month, including taxes, insurance and utilities.
How much are property taxes in Green Brook Township?
The median real estate tax paid by homeowners in Green Brook Township, NJ is $10,000 or more a year (2020–2024 American Community Survey).
How many homes are in Green Brook Township?
Green Brook Township, NJ has an estimated 2,432 (±228) housing units, occupied and vacant (2020–2024 American Community Survey).
Is Green Brook Township growing?
In Green Brook Township, the number of residents went from 7,114 in 2015–2019 to 7,028 in 2020–2024 (−1.2%), not a measurable change.
What ZIP codes are in Green Brook Township?
The ZIP code that covers Green Brook Township is 08812.
What is the median rent in ZIP code 08812?
The median gross rent in ZIP Code Tabulation Area 08812 is $1,866 (±$143) a month (2020–2024 American Community Survey).
Sources
- Demographic and Housing Estimates (DP05), 2020–2024 ACS 5-year estimates — Green Brook township, Somerset County, New Jersey
- Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Green Brook township, Somerset County, New Jersey
- Selected Economic Characteristics (DP03), 2020–2024 ACS 5-year estimates — Green Brook township, Somerset County, New Jersey
- Median Real Estate Taxes Paid by Mortgage Status (B25103), 2020–2024 ACS 5-year estimates — Green Brook township, Somerset County, New Jersey
- Selected Social Characteristics (DP02), 2020–2024 ACS 5-year estimates — Green Brook township, Somerset County, New Jersey
- Total Population (B01003), 2015–2019 ACS 5-year estimates — Green Brook township, Somerset County, New Jersey
- Median Gross Rent (B25064), 2015–2019 ACS 5-year estimates — Green Brook township, Somerset County, New Jersey
- HUD Fair Market Rents, fiscal year 2027: Middlesex-Somerset-Hunterdon, NJ HUD Metro FMR Area
- HUD Income Limits, fiscal year 2026: Middlesex-Somerset-Hunterdon, NJ HUD Metro FMR Area
- US Census Bureau, American Community Survey 2020–2024 5-year estimates for ZIP Code Tabulation Areas
- FBI Uniform Crime Reporting Program, Crime Data Explorer: Green Brook Township Police Department (ORI NJ0180900)
- FBI: Uniform Crime Reporting statistics and their proper use
- Consumer Price Index for All Urban Consumers (CPI-U), US city average, all items, US Bureau of Labor Statistics: annual averages 2019 and 2024
- US Census Bureau, 2024 Gazetteer Files
To check these figures in the Census Bureau’s own API, request the variables below from the 2024 ACS 5-year data profile (acs/acs5/profile) for Green Brook township, Somerset County, New Jersey (county subdivision:27510, in state:34 county:035).
Each estimate (E or PE) has a margin of error beside it (M or PM).
The 2015–2019 figures are B01003_001E, B01003_001M, B25064_001E, B25064_001M from the 2019 release.
The API needs a free key.
DP05_0001E, DP05_0001M, DP04_0001E, DP04_0001M, DP04_0047PE, DP04_0047PM, DP04_0134E, DP04_0134M, DP03_0062E, DP03_0062M, DP04_0089E, DP04_0089M
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.
Figures are published by the US Census Bureau, HUD, the Bureau of Labor Statistics and the FBI; Seayora reproduces them and does not adjust them, except where a sentence says it compares dollar figures after inflation. They describe the whole place, not any one building or street, and are not an appraisal, a rent determination, a tax bill, a safety rating or legal advice.
Figures last updated on .