Raritan Township is a township in Hunterdon County, New Jersey, home to about 24,361 people across 37 square miles. Its ZIP codes are 08551 and 08822, and parts of 08867 are in Raritan Township too.
Homes sold for a median of $312 per square foot across 2 ZIP codes in the three months ending August 2026, and all of them were seller’s markets.
Mostly Raritan Township; also East Amwell
Mostly Raritan Township; also Readington and Flemington
Mostly Franklin Township (Hunterdon County); part is in Raritan Township
Each card is that ZIP code’s whole market, including any part outside Raritan Township. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Raritan Township’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)38 miles away |
|---|---|
| Closer regional airport | Trenton Mercer Airport (TTN)16 miles away |
| Nearest city of 250,000+ | Philadelphia, PA37 miles away |
Straight-line distances from the center of Raritan Township; 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.
Raritan Township had 23,447 residents in the 2020 census, up 18% since 2000.
It’s the 110th largest of 565 towns in New Jersey by population.
Hunterdon County grew from 34,507 residents in 1900 to 128,947 in 2020.
Hunterdon County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 85°F in summer, and winter lows average 22°F. About 51.1 inches of rain and melted snow fall in a typical year, with about 24 inches of snow.
Source: NOAA 1991–2020 climate normals, Wertsville 4 Ne, NJ weather station (5 miles away).
45,700 jobs at 3,672 businesses in Hunterdon County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
771 doctors and other health care providers list an office in Raritan Township’s ZIP codes.
Nearest hospitals
Providers with an office here
| Primary care doctors | 82 |
|---|---|
| Specialist doctors | 193 |
| Dentists | 55 |
| Nurse practitioners and physician assistants | 128 |
| Mental health providers | 238 |
| Physical and occupational therapists | 43 |
| Optometrists | 8 |
| Chiropractors | 24 |
| Pharmacies | 13 |
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 (7 nearby)
Grocery stores (6 nearby)
Pharmacies (4 nearby)
Libraries (2 nearby)
Museums (2 nearby)
Theaters and performance venues
Counts are within about 4 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 1838.
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Flemington-Raritan Regional School District, East Amwell Township School District, Hunterdon Central Regional High School District and others. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Barley Sheaf Elementary SchoolFlemington | Pre-K–4 | 376 | Public | 1.1 mi |
| Copper Hill Elementary SchoolRingoes | Pre-K–4 | 572 | Public | 2.8 mi |
| East Amwell TownshipRingoes | Pre-K–8 | 398 | Public | 5.3 mi |
| Francis A. Desmares Elementary SchoolFlemington | Pre-K–4 | 421 | Public | 2.8 mi |
| Robert Hunter Elementary SchoolFlemington | Pre-K–4 | 406 | Public | 1.7 mi |
| Reading-Fleming Intermediate SchoolFlemington | 5–6 | 719 | Public | 1.2 mi |
| J.P. Case Middle SchoolFlemington | 7–8 | 730 | Public | 0.6 mi |
| Hunterdon Central Regional High School DistrictFlemington | 9–12 | 2,238 | Public | 0.9 mi |
| Hunterdon County Vocational School District Central CampusFlemington | 9–12 | — | Career and Technical | 1.1 mi |
| Hunterdon Polytech Bartles Corner CampusFlemington | 9–12 | 108 | Career and Technical | 2.2 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Readington, Flemington, East Amwell, Franklin Township (Hunterdon County), Alexandria, Union Township and Delaware.
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.