Greenwich township, New Jersey
Greenwich township profile, demographic data, and geographic information.
Greenwich township is a geographic entity located in Warren County, New Jersey. As of official census estimates, it has a reported population of 5,726. The land area covers 10.58 sq mi. [1]
Demographics & Population
| Demographic Metric | Estimate / Count | Margin of Error | Survey Period / Source |
|---|---|---|---|
| Total Population (2025 PEP Estimate) | 5,726 | — | 2025 / Census |
| Median Age | 40.1 yrs | ±2.1 | 2020-2024 / Census ACS 5-Year 2024 |
| Total Households | 1,748 | ±108 | 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 | 1,758 | ±109 |
| Occupied Housing Units | 1,748 | ±108 |
| Vacant Housing Units | 10 | ±16 |
| Median Home Value | $474,900 | ±$22,264 |
| Median Gross Rent | $2,411 | ±$1,138 |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Economy & Workforce
| Economic Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Median Household Income | $169,079 | ±$16,178 |
| Per Capita Income | $60,502 | ±$5,917 |
| Poverty Rate | 3% | ±2% |
| Population Below Poverty Level | 166 | ±108 |
| Unemployment Rate | 4.8% | ±2.5% |
| Civilian Labor Force, Employed | 2,946 | ±218 |
| Broadband Internet Rate | 93.5% | ±8% |
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 |
|---|---|---|---|
|
TOWNSHIP OF GREENWICH
GUS Population: 5,528 (2024)
ID: 193754
|
Township | Official Local Government |
Contact: MAYOR
321 GREENWICH STREET, STEWARTSVILLE NJ 08886-2021
|
|
GUS Population: 112,031 (2024)
ID: 208755
|
County | Official County Government |
Contact: DIRECTOR
165 COUNTY ROAD 519, 1, BELVIDERE NJ 07823-1949
|
Education
Listing 10 local institutions (NCES 2024-2025)
External reference via K12Guides
| Institution | Type | Grades | Location |
|---|---|---|---|
| Regular School Nearby | PK-08 | Pittstown, NJ | |
| Regular School Nearby | PK-08 | ALPHA, NJ | |
| Regular School Nearby | KG-04 | Easton, PA | |
| Regular School Nearby | 09-12 | Bangor, PA | |
| Regular School Nearby | 07-08 | Bangor, PA | |
| Regular School Nearby | PK-08 | BELVIDERE, NJ | |
| Regular School Nearby | 09-12 | BELVIDERE, NJ | |
| Career and Technical School Nearby | 09-12 | Bethlehem, PA | |
| Regular School Nearby | PK-08 | Bloomsbury, NJ | |
| Regular School Nearby | 04-06 | WASHINGTON, 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 |
|---|---|---|---|---|
|
Lafayette College
|
College | 4.9 mi away | High St, Easton, PA, 18042-1768 |
6103305000
|
|
SOUTHWEST BRANCH
|
Library | 1.8 mi away | 404 ROUTE 519, PHILLIPSBURG, NJ, 08865 |
(908) 689-7922
|
|
Warren County Community College
|
College | 7.0 mi away | 475 Route 57 W, Washington, NJ, 07882-4343 |
9088359222
|
|
W.H. WALTERS FREE PUBLIC LIBRARY
|
Library | 2.5 mi away | 1001 EAST BLVD, ALPHA, NJ, 08865 |
(201) 454-1445
|
|
Northampton County Area Community College
|
College | 10.7 mi away | 3835 Green Pond Rd, Bethlehem, PA, 18020-7599 |
6108615300
|
|
PHILLIPSBURG FREE PUBLIC LIBRARY
|
Library | 3.5 mi away | 200 BROUBALOW WAY, PHILLIPSBURG, NJ, 08865 |
(201) 454-3712
|
|
Lehigh Valley Barber School
|
College Vocational | 12.2 mi away | 1517B Irene Street, Bethlehem, PA, 18018-3906 |
6104196913
|
|
EASTON AREA PUBLIC LIBRARY
|
Library | 5.0 mi away | 515 CHURCH ST, EASTON, PA, 18042 |
(610) 258-2917
|
|
Moravian University
|
College | 14.2 mi away | 1200 Main St, Bethlehem, PA, 18018-6650 |
6108611360
|
|
HOLLAND TOWNSHIP FREE PUBLIC LIBRARY
|
Library | 5.8 mi away | 129 SPRING MILLS ROAD, MILFORD, NJ, 08848 |
(201) 995-4767
|
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 PHILLIPSBURG-EASTON BRG, NJ US, located 4.3 miles from Greenwich township. Local microclimates, topography, and elevation may cause municipal conditions to differ.
| Month | High (°F) | Low (°F) | Mean (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|---|
| January | 37.7° | 21.5° | 29.6° | 3.67" | — |
| February | 40.4° | 22.1° | 31.3° | 2.97" | — |
| March | 48.8° | 29.3° | 39.1° | 3.65" | — |
| April | 62.3° | 39.4° | 50.9° | 3.94" | — |
| May | 71.8° | 49.4° | 60.6° | 4.27" | — |
| June | 80.9° | 59.0° | 70.0° | 4.82" | — |
| July | 85.6° | 63.7° | 74.7° | 5.57" | — |
| August | 82.5° | 62.0° | 72.3° | 5.18" | — |
| September | 76.8° | 54.5° | 65.7° | 4.72" | — |
| October | 64.8° | 43.5° | 54.1° | 4.48" | — |
| November | 53.4° | 32.5° | 43.0° | 3.37" | — |
| December | 42.5° | 25.9° | 34.2° | 4.37" | — |
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 |
|---|---|---|---|
| Greenwich CDP | CDP | 0.8 mi | — |
| Stewartsville CDP | CDP | 1.1 mi | — |
| Upper Stewartsville CDP | CDP | 1.7 mi | — |
| Lopatcong Overlook CDP | CDP | 1.8 mi | — |
| Upper Pohatcong CDP | CDP | 1.9 mi | — |
| Alpha borough | Borough | 2.4 mi | — |
Sources & Data Provenance
- Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 3404128260. • 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.