Pennington is a borough in Mercer County, New Jersey, home to about 2,827 people across 1.0 square miles. It has no ZIP code of its own: it’s part of 08534.
Homes sold for a median of $324 per square foot in the three months ending August 2026, a seller’s market.
Mostly Hopewell Township (Mercer County); part is in Pennington
Each card is that ZIP code’s whole market, including any part outside Pennington. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Pennington’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Philadelphia International Airport (PHL)40 miles away |
|---|---|
| Closer regional airport | Trenton Mercer Airport (TTN)4 miles away |
| Nearest city of 250,000+ | Philadelphia, PA29 miles away |
Straight-line distances from the center of Pennington; 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.
Pennington had 2,802 residents in the 2020 census, up 4% since 2000.
It’s the 455th largest of 565 towns in New Jersey by population.
Mercer County grew from 95,365 residents in 1900 to 387,340 in 2020.
Mercer County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 86°F in summer, and winter lows average 24°F. About 45.7 inches of rain and melted snow fall in a typical year, with about 27 inches of snow.
Source: NOAA 1991–2020 climate normals, Trenton Mercer Co Ap, NJ weather station (4 miles away).
208,192 jobs at 9,683 businesses in Mercer County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
602 doctors and other health care providers list an office in Pennington.
Nearest hospitals
Providers with an office here
| Primary care doctors | 63 |
|---|---|
| Specialist doctors | 201 |
| Dentists | 20 |
| Nurse practitioners and physician assistants | 149 |
| Mental health providers | 119 |
| Physical and occupational therapists | 40 |
| Optometrists | 2 |
| Chiropractors | 8 |
| Pharmacies | 10 |
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 (1 nearby)
Pharmacies (1 nearby)
Libraries (3 nearby)
Museums
Theaters and performance venues
Counts are within about 1 mile 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.
Notable people born here
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Hopewell Valley Regional School District, Area Vocational Technical School District of Mercer County. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Stony Brook Elementary SchoolPennington | Pre-K–5 | 395 | Public | 2.7 mi |
| Toll Gate Grammar SchoolPennington | Pre-K–5 | 299 | Public | 0.9 mi |
| Timberlane Middle SchoolPennington | 6–8 | 803 | Public | 0.8 mi |
| Hopewell Valley Central High SchoolPennington | 9–12 | 1,068 | Public | 0.7 mi |
| Mercer County Technical School Culinary Arts AcademyPennington | 9–12 | 111 | Career and Technical | 3.5 mi |
| Mercer County Technical School STEM AcademyPennington | 9–12 | 141 | Career and Technical | 3.5 mi |
| MCVS Arthur R. Sypek CenterPennington | 11–12 | 21 | Career and Technical | 3.5 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Pennington Montessori SchoolPennington | Pre-K–K | 5 | Nonsectarian | 0.3 mi |
| Cambridge SchoolPennington | 1–12 | 113 | Nonsectarian | 0.2 mi |
| The Newgrange SchoolPennington | 1–12 | 83 | Nonsectarian | 2.1 mi |
| Laurel School of Princeton, theHopewell | 2–7 | 22 | Nonsectarian | 2.1 mi |
| Laurel School of PrincetonPennington | 3–7 | 20 | Nonsectarian | 2.1 mi |
| The Pennington SchoolPennington | 6–12 | 537 | Methodist | 0.5 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 Hopewell Township (Mercer County).
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.