Housing data for Greenwich, NJ
Greenwich, NJ has an estimated 2,679 residents and 844 homes (US Census Bureau, 2020–2024 American Community Survey).
It is an unincorporated community in Warren County.
0.8% of households rent.
Figures last updated on .
- Residents
- 2,679 (±333)
- Housing units
- 844 (±130)
- Households that rent
- 0.8%
- Residents since 2015–2019
- −1.9%
What stands out in Greenwich
Households that rent: 0.8% (±1.4 points) in Greenwich, lower than in Warren County (24.9%).
Homes in buildings of 5 or more units: 0.0% (±9.0 points) in Greenwich, lower than in Warren County (11.8%).
Homes built before 1980: 1.8% (±10.7 points) in Greenwich, lower than in Warren County (60.3%).
Homes heated by fuel oil: 1.4% (±1.8 points) in Greenwich, lower than in Warren County (28.6%).
Housing in Greenwich at a glance
- Rent burden: 0.0% of renters pay 30% or more of income (Small sample: wide margin of error)
- Renters and owners: 0.8% of households rent (Small sample: wide margin of error)
- Income and affordability: $164,167 median household income
- Home values: $468,400 median home value
- Homeowner costs: $2,991 median monthly cost with a mortgage
- Property taxes: $10,000 or more median real estate taxes a year
- Types of homes: 0.0% of homes are in buildings of 5 or more units
- Bedrooms: 92.7% of homes have 3 or more bedrooms (Small sample: wide margin of error)
- Age of homes: 1.8% of homes were built before 1980 (Small sample: wide margin of error)
- Vacancy rate: 0.0% rental vacancy rate (Small sample: wide margin of error)
- Heating fuel: 96.3% heat with utility gas
- Commute and cars: 39.8 minutes average trip to work
- Growth: −1.9% residents since 2015–2019
- How long people stay: 16.4% moved in since 2020 (Small sample: wide margin of error)
- Crowding and facilities: 0.0% of homes have more than 1 person per room (Small sample: wide margin of error)
Greenwich against Warren County, its state and the nation
| Greenwich | Warren County | New Jersey | United States | |
|---|---|---|---|---|
| Residents | 2,679 (±333) | 110,849 (exact) | 9,343,809 (exact) | 334,922,499 |
| Housing units | 844 (±130) | 46,789 (±53) | 3,791,354 (±469) | 143,775,355 |
| Households that rent | 0.8% (±1.4 points) | 24.9% (±1.4 points) | 36.2% (±0.2 points) | 34.8% |
| Median gross rent | — | $1,409 (±$39) | $1,720 (±$7) | $1,413 |
| Median household income | $164,167 (±$7,741) | $100,869 (±$3,607) | $103,556 (±$513) | $80,734 |
| Median home value | $468,400 (±$30,006) | $346,500 (±$6,745) | $454,400 (±$1,150) | $332,700 |
| Median real estate taxes (a year) | $10,000 or more | $8,119 (±$159) | $9,590 (±$25) | $3,119 |
| Built before 1980 | 1.8% (±10.7 points) | 60.3% (±2.6 points) | 62.8% (±0.3 points) | 49.7% |
| Average commute | 39.8 minutes (±4.2) | 34.0 minutes (±1.1) | 30.5 minutes (±0.1) | 26.4 minutes |
| Households with broadband | 94.1% (±7.1 points) | 92.5% (±1.0 points) | 92.8% (±0.1 points) | 91.0% |
| Median age of residents | 38.8 years (±2.9) | 44.0 years (±0.3) | 40.1 years (±0.1) | 38.9 years |
Greenwich covers 0.9 square miles of land, about 2,954 residents per square mile (Census Bureau Gazetteer).
How Greenwich has changed since 2015–2019
| 2015–2019 | 2020–2024 | Amount of change | Verdict | |
|---|---|---|---|---|
| Residents | 2,731 (±259) | 2,679 (±333) | −1.9% | Not a measurable change |
| Housing units | 826 (±95) | 844 (±130) | +2.2% | Not a measurable change |
| Median home value | $335,900 (±$24,185) | $468,400 (±$30,006) | +39.4% | Up after inflation |
| Median household income | $141,522 (±$10,954) | $164,167 (±$7,741) | +16.0% | No measurable change after inflation |
| Median owner cost with a mortgage | $2,911 (±$221) | $2,991 (±$242) | +2.7% | Down after inflation |
| Households that rent | 8.3% (±6.0 points) | 0.8% (±1.4 points) | −7.5 percentage points | Measurable decrease |
| Rental vacancy rate | 0.0% (±37.3 points) | 0.0% (±100.0 points) | 0.0 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 Warren County
Greenwich has no police department of its own in the FBI’s figures, so this is the figure for Warren County as a whole.
In 2025, the police departments that report for Warren County recorded 68 violent and 743 property crimes per 100,000 residents.
A county-wide figure describes the whole county, not this place; crime varies from one community to the next.
Places near Greenwich
| Place | Distance | Median gross rent | Median home value | Households that rent |
|---|---|---|---|---|
| Upper Pohatcong | 1.3 mi | $1,606 | $280,300 | 8.1% |
| Alpha Borough | 2.1 mi | $1,362 | $261,500 | 24.2% |
| Lopatcong Township | 2.3 mi | $1,582 | $358,400 | 24.2% |
| Phillipsburg Town | 2.4 mi | $1,167 | $193,200 | 42.4% |
| Bloomsbury Borough | 3.6 mi | $1,500 | $348,200 | 39.1% |
| Morgan Hill | 3.9 mi | $1,863 | $315,500 | 11.2% |
| Pohatcong Township | 4.0 mi | $1,793 | $292,500 | 12.4% |
| Harmony Township | 4.4 mi | $1,719 | $353,900 | 10.7% |
HUD Fair Market Rent for Greenwich, fiscal year 2027
| Studio | 1 bedroom | 2 bedrooms | 3 bedrooms | 4 bedrooms |
|---|---|---|---|---|
| $1,614 | $1,624 | $2,021 | $2,478 | $2,937 |
HUD income limits for Greenwich, fiscal year 2026
| Household size | Extremely low (30%) | Very low (50%) | Low (80%) |
|---|---|---|---|
| 1 person | $26,850 | $44,800 | $71,650 |
| 2 people | $30,700 | $51,200 | $81,850 |
| 3 people | $34,550 | $57,600 | $92,100 |
| 4 people | $38,350 | $63,950 | $102,300 |
| 5 people | $41,450 | $69,100 | $110,500 |
| 6 people | $44,500 | $74,200 | $118,700 |
| 7 people | $50,040 | $79,300 | $126,900 |
| 8 people | $55,720 | $84,450 | $135,050 |
These are the limits HUD sets for its housing programs in the Warren County, NJ HUD Metro FMR Area, where HUD’s median family income for fiscal year 2026 is $127,900.
A program can use its own limits; tax-credit and local programs often do.
Greenwich is a census-designated place: an unincorporated community the Census Bureau draws for statistics, with no municipal government of its own.
It lies inside Greenwich Township (Warren County), whose figures include it.
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 Greenwich
What is the median household income in Greenwich?
The median household income in Greenwich is $164,167 (±$7,741) a year (2020–2024 American Community Survey).
What is the average home value in Greenwich, NJ?
The Census Bureau publishes the median: $468,400 (±$30,006) for owner-occupied homes in Greenwich (2020–2024 American Community Survey).
What is the average mortgage payment in Greenwich?
The Census Bureau publishes total owner costs rather than the mortgage alone: the median for owners with a mortgage in Greenwich, NJ is $2,991 (±$242) a month, including taxes, insurance and utilities.
How much are property taxes in Greenwich?
The median real estate tax paid by homeowners in Greenwich, NJ is $10,000 or more a year (2020–2024 American Community Survey).
How many homes are in Greenwich?
Greenwich, NJ has an estimated 844 (±130) housing units, occupied and vacant (2020–2024 American Community Survey).
What is the most common way to heat a home in Greenwich?
Utility gas is the most common heating fuel in Greenwich, used by 96.3% of occupied homes (2020–2024 American Community Survey).
Is Greenwich growing?
In Greenwich, the number of residents went from 2,731 in 2015–2019 to 2,679 in 2020–2024 (−1.9%), not a measurable change.
Sources
- Demographic and Housing Estimates (DP05), 2020–2024 ACS 5-year estimates — Greenwich CDP (Warren County), New Jersey
- Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Greenwich CDP (Warren County), New Jersey
- Selected Economic Characteristics (DP03), 2020–2024 ACS 5-year estimates — Greenwich CDP (Warren County), New Jersey
- Median Real Estate Taxes Paid by Mortgage Status (B25103), 2020–2024 ACS 5-year estimates — Greenwich CDP (Warren County), New Jersey
- Selected Social Characteristics (DP02), 2020–2024 ACS 5-year estimates — Greenwich CDP (Warren County), New Jersey
- Total Population (B01003), 2015–2019 ACS 5-year estimates — Greenwich CDP (Warren County), New Jersey
- Median Gross Rent (B25064), 2015–2019 ACS 5-year estimates — Greenwich CDP (Warren County), New Jersey
- HUD Fair Market Rents, fiscal year 2027: Warren County, NJ HUD Metro FMR Area
- HUD Income Limits, fiscal year 2026: Warren County, NJ HUD Metro FMR Area
- 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 Greenwich CDP (Warren County), New Jersey (place:28250, in state:34).
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 .