Hillside is a township in Union County, New Jersey, home to about 22,349 people across 2.8 square miles. Its ZIP code is 07205.
Homes sold for a median of $353 per square foot in the three months ending August 2026, a seller’s market.
Each card is that ZIP code’s whole market, including any part outside Hillside. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Hillside’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)3 miles away |
|---|---|
| Nearest city of 250,000+ | Newark, NJ3 miles away |
| Nearest city of 1 million+ | New York, NY15 miles away |
Straight-line distances from the center of Hillside; 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.
Hillside had 22,456 residents in the 2020 census, up 3% since 2000.
It’s the 125th largest of 565 towns in New Jersey by population.
Union County grew from 99,353 residents in 1900 to 575,345 in 2020.
Union County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 87°F in summer, and winter lows average 26°F. About 46.6 inches of rain and melted snow fall in a typical year, with about 32 inches of snow.
Source: NOAA 1991–2020 climate normals, Newark Intl Ap, NJ weather station (3 miles away).
208,505 jobs at 14,276 businesses in Union County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
52 doctors and other health care providers list an office in Hillside.
Nearest hospitals
Providers with an office here
| Primary care doctors | 5 |
|---|---|
| Specialist doctors | 1 |
| Dentists | 6 |
| Nurse practitioners and physician assistants | 16 |
| Mental health providers | 14 |
| Physical and occupational therapists | 8 |
| Chiropractors | 2 |
| 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 (8 nearby)
Grocery stores (4 nearby)
Pharmacies (2 nearby)
Libraries (3 nearby)
Museums
Theaters and performance venues (1 nearby)
Counts are within about 1.5 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.
Colleges and universities
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 Hillside Public School District. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Abram P. Morris Early Childhood CenterHillside | Pre-K–1 | 625 | Public | 0.5 mi |
| Deanna G. Taylor AcademyHillside | 2–6 | 202 | Public | 0.9 mi |
| Hurden Looker Elementary SchoolHillside | 2–6 | 408 | Public | 0.2 mi |
| Ola Edwards Community SchoolHillside | 2–6 | 391 | Public | 0.7 mi |
| Hillside Innovation AcademyHillside | 7–8 | 97 | Public | 0.6 mi |
| Walter O. Krumbiegel Middle SchoolHillside | 7–8 | 323 | Public | 0.3 mi |
| Hillside High SchoolHillside | 9–12 | 911 | Public | 0.6 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Trinity Temple AcademyHillside | K–8 | 36 | Seventh-day Adventist | 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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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.