Franklin Township (Warren County) is a township in Warren County, New Jersey, home to about 2,992 people across 23 square miles. It has no ZIP code of its own: it’s part of 07882, 08802, 08804 and 08886.
Homes sold for a median of $266 per square foot across 4 ZIP codes in the three months ending August 2026, and 3 of 4 were seller’s markets.
Mostly Washington Borough; part is in Franklin Township (Warren County)
Mostly Bethlehem; part is in Franklin Township (Warren County)
Part is in Franklin Township (Warren County), part in Bloomsbury and Greenwich Township (Warren County)
Mostly Greenwich Township (Warren County); part is in Franklin Township (Warren County)
Each card is that ZIP code’s whole market, including any part outside Franklin Township (Warren County). Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Franklin Township (Warren County)’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)45 miles away |
|---|---|
| Closer regional airport | Lehigh Valley International Airport (ABE)22 miles away |
| Nearest city of 250,000+ | Newark, NJ45 miles away |
| Nearest city of 1 million+ | Philadelphia, PA49 miles away |
Straight-line distances from the center of Franklin Township (Warren County); 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.
Franklin Township (Warren County) had 2,968 residents in the 2020 census, up 7% since 2000.
It’s the 452nd largest of 565 towns in New Jersey by population.
Warren County grew from 37,781 residents in 1900 to 109,632 in 2020.
Warren County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 84°F in summer, and winter lows average 18°F. About 48.3 inches of rain and melted snow fall in a typical year, with about 23 inches of snow.
Source: NOAA 1991–2020 climate normals, Belvidere Brg, NJ weather station (9 miles away).
28,428 jobs at 2,286 businesses in Warren County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
179 doctors and other health care providers list an office in Franklin Township (Warren County)’s ZIP codes.
Nearest hospitals
Providers with an office here
| Primary care doctors | 14 |
|---|---|
| Specialist doctors | 5 |
| Dentists | 20 |
| Nurse practitioners and physician assistants | 20 |
| Mental health providers | 89 |
| Physical and occupational therapists | 23 |
| Optometrists | 3 |
| Chiropractors | 5 |
| Pharmacies | 5 |
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 (1 nearby)
Grocery stores
Pharmacies
Libraries
Museums
Theaters and performance venues
Counts are within about 3.5 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 1839.
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Bloomsbury Borough School District, Franklin Township School District, Greenwich Township School District and others. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Bloomsbury Borough SchoolBloomsbury | Pre-K–8 | 98 | Public | 4.6 mi |
| Franklin Township SchoolWashington | Pre-K–6 | 251 | Public | 1.3 mi |
| Greenwich SchoolStewartsville | Pre-K–5 | 397 | Public | 4.9 mi |
| Taylor Street Elementary SchoolWashington | Pre-K–2 | 280 | Public | 4.6 mi |
| Thomas B. Conley Elementary SchoolAsbury | Pre-K–5 | 258 | Public | 3.0 mi |
| Port Colden SchoolWashington | 1–3 | 170 | Public | 5.8 mi |
| Washington Memorial Elementary SchoolWashington | 3–6 | 280 | Public | 4.1 mi |
| Brass Castle SchoolWashington | 4–6 | 261 | Public | 3.7 mi |
| Ethel Hoppock Middle SchoolAsbury | 6–8 | 119 | Public | 3.2 mi |
| Stewartsville Middle SchoolStewartsville | 6–8 | 210 | Public | 4.1 mi |
| Warren Hills Regional Middle SchoolWashington | 7–8 | 477 | Public | 4.5 mi |
| Warren County Vocational Technical SchoolWashington | 9–12 | 413 | Career and Technical | 2.4 mi |
| Warren Hills Regional High SchoolWashington | 9–12 | 1,050 | Public | 5.2 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Warren Glen AcademyBloomsbury | 1–12 | 20 | Other religious | 7.2 mi |
| Winston Hall AcademyWashington | 5–12 | 65 | Nonsectarian | 4.9 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Washington Borough, Washington Township (Warren County), Greenwich Township (Warren County), Lopatcong, Bethlehem, Union Township, Bloomsbury, Holland, Pohatcong, Harmony and Alexandria.
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.