Hillsborough is a township in Somerset County, New Jersey, home to about 44,091 people across 55 square miles. Its ZIP codes are 08821 and 08844.
Homes sold for a median of $340 per square foot in the three months ending August 2026, a seller’s market.
All in Hillsborough
Each card is that ZIP code’s whole market, including any part outside Hillsborough. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Hillsborough’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)28 miles away |
|---|---|
| Closer regional airport | Trenton Mercer Airport (TTN)17 miles away |
| Nearest city of 250,000+ | Newark, NJ29 miles away |
| Nearest city of 1 million+ | Philadelphia, PA42 miles away |
Straight-line distances from the center of Hillsborough; 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.
Hillsborough had 43,276 residents in the 2020 census, up 18% since 2000.
It’s the 53rd largest of 565 towns in New Jersey by population.
Somerset County grew from 32,948 residents in 1900 to 345,361 in 2020.
Somerset 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 (8 miles away).
188,127 jobs at 9,831 businesses in Somerset County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
402 doctors and other health care providers list an office in Hillsborough’s ZIP codes.
Nearest hospitals
Providers with an office here
| Primary care doctors | 46 |
|---|---|
| Specialist doctors | 64 |
| Dentists | 51 |
| Nurse practitioners and physician assistants | 59 |
| Mental health providers | 100 |
| Physical and occupational therapists | 63 |
| Optometrists | 12 |
| Chiropractors | 7 |
| Pharmacies | 7 |
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 (39 nearby)
Grocery stores (7 nearby)
Pharmacies (3 nearby)
Libraries (3 nearby)
Museums (1 nearby)
Theaters and performance venues (1 nearby)
Counts are within about 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 1771.
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Hillsborough Township Public School District. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Triangle Elementary SchoolHillsborough | Pre-K–4 | 362 | Public | 2.8 mi |
| Woods Road Elementary SchoolHillsborough | Pre-K–4 | 410 | Public | 1.1 mi |
| Amsterdam Elementary SchoolHillsborough | K–4 | 376 | Public | 1.8 mi |
| Hillsborough Township Elementary SchoolHillsborough | K–4 | 467 | Public | 2.0 mi |
| Sunnymead Elementary SchoolHillsborough | K–4 | 530 | Public | 3.8 mi |
| Woodfern Elementary SchoolHillsborough | K–4 | 311 | Public | 7.0 mi |
| Auten Road Intermediate SchoolHillsborough | 5–6 | 1,112 | Public | 3.4 mi |
| Hillsborough Township Middle SchoolHillsborough | 7–8 | 1,246 | Public | 2.9 mi |
| Hillsborough High SchoolHillsborough | 9–12 | 2,377 | Public | 2.0 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| All Day Learning CentersHillsborough | Pre-K–K | 15 | Nonsectarian | 1.3 mi |
| Cherry Blossom Montessori SchoolFlagtown | Pre-K–4 | 34 | Nonsectarian | 4.2 mi |
| Goddard School-HillsboroughHillsborough | Pre-K–K | 25 | Nonsectarian | 2.9 mi |
| Kiddie Academy of Hillsborough NjHillsborough | Pre-K–K | 13 | Nonsectarian | 1.6 mi |
| Somerset Valley Ymca-Gregory Scott Lowe Child CareHillsborough | Pre-K–K | 15 | Nonsectarian | 3.7 mi |
| Stellar Academy of HillsboroughHillsborough | Pre-K–1 | 24 | Nonsectarian | 5.0 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 Millstone Borough.
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.