Hardwick is a township in Warren County, New Jersey, home to about 1,423 people across 38 square miles. It has no ZIP code of its own: it’s part of 07825 and 07832.
Homes sold for a median of $247 per square foot across 2 ZIP codes in the three months ending August 2026, and all of them were seller’s markets.
Mostly Blairstown; part is in Hardwick
Mostly Knowlton; part is in Hardwick
Each card is that ZIP code’s whole market, including any part outside Hardwick. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Hardwick’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)47 miles away |
|---|---|
| Closer regional airport | Lehigh Valley International Airport (ABE)32 miles away |
| Nearest city of 250,000+ | Newark, NJ46 miles away |
| Nearest city of 1 million+ | New York, NY58 miles away |
Straight-line distances from the center of Hardwick; 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.
Hardwick had 1,598 residents in the 2020 census, up 9% since 2000.
It’s the 518th 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 (10 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).
42 doctors and other health care providers list an office in Hardwick’s ZIP codes.
Nearest hospitals
Providers with an office here
| Primary care doctors | 6 |
|---|---|
| Specialist doctors | 3 |
| Dentists | 5 |
| Nurse practitioners and physician assistants | 9 |
| Mental health providers | 6 |
| Physical and occupational therapists | 7 |
| Optometrists | 2 |
| Chiropractors | 4 |
| Pharmacies | 6 |
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 (4 nearby)
Grocery stores (1 nearby)
Libraries (2 nearby)
Museums (2 nearby)
Theaters and performance venues (2 nearby)
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.
Public schools here are run by Blairstown Elementary Township School District, Ridge and Valley Charter School, North Warren Regional. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Blairstown Elementary SchoolBlairstown | Pre-K–6 | 418 | Public | 2.3 mi |
| Ridge and Valley Charter SchoolFrelinghuysen | K–8 | 134 | Charter | 2.8 mi |
| North Warren Regional SchoolBlairstown | 7–12 | 582 | Public | 1.5 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Children's CenterBlairstown | Pre-K–K | 5 | Nonsectarian | 2.1 mi |
| Blair AcademyBlairstown | 9–12 | 474 | Presbyterian | 2.1 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 Blairstown, Knowlton, Hope, Frelinghuysen, White and Stillwater.
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.