What is the population of Hillside?

The population of Hillside, NJ is 21,841.

Where is Hillside located?

Hillside, NJ is located at latitude 40.7012100 and longitude -74.2301500. It is in United States.

What is the area of Hillside?

The area of Hillside, NJ is 2.761 km².

What is the elevation of Hillside?

Hillside, NJ has an elevation of 30 meters (98 feet) above sea level.

What time zone is Hillside in?

Hillside, NJ is in the America/New_York time zone.

What state is Hillside in?

Hillside is in the state of New Jersey, United States.

What county is Hillside, NJ in?

Hillside is in Union County, New Jersey.

How has the population of Hillside changed?

The population of Hillside, NJ has increased from 21,404 (2010) to 21,841 (2020), a change of 2%.

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Hillside, New Jersey

Hillside: township of New Jersey

About

Hillside is a township located in the county of Union in the U.S. state of New Jersey. Its population at the 2010 census was 21,404 and a population density of 7,752 people per km². After 10 years in 2020 city had an estimated population of 21,841 inhabitants.

The township was created 112 years ago in 1913.

Hillside locator map — Location of Hillside on New Jersey map.

Quick Facts about Hillside

Population	21,841 (2020)
Country	United States of America
State	New Jersey (United States)
County	Union County
Postal code	07205
Area	2.76 km²
Latitude & Longitude	40.7012,-74.2302
Altitude	82 feet / 25 meters
Establishment	April 29, 1913 (112 years ago)
Time Zone	Eastern Time Zone
Local time	19:18:46 (22nd April 2026)
Density	7,911 Pop. per km² as of 2020
Population growth	2% (2010-2020)
Weather	65℉ Chance Rain Showers 7-days weather

Woodruff House At Hillside Historical Society image

Geography

Hillside is located at 40°42'4"N 74°13'49"W (40.7012100, -74.2301500).

Hillside map

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Weather

65°F

Chance Rain Showers

5 mph SE Wednesday

A chance of rain showers before 2pm. Partly sunny, with a high near 65. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an i...

7-Day Forecast

Official website of Hillside

Official Website

Demographics

The population of Hillside increased by 2% in 10 years.

Year	Population	% Change	Method
2010	21,404	-	census
2011	21,557	0.71%	estimation process
2012	21,631	0.34%	estimation process
2013	21,736	0.48%	estimation process
2014	21,781	0.21%	estimation process
2015	21,811	0.14%	estimation process
2016	21,896	0.39%	estimation process
2017	21,972	0.35%	estimation process
2018	22,005	0.15%	estimation process
2019	21,967	-0.17%	estimation process
2020	21,841	-0.58%	estimation process

Hillside zip code is 07205. County name: Union, County fips: 34039

Lyons Farms

Best Things to Do in Hillside

1Hillside Recreation Department

Rating: 4.1 (20)

274 Hillside Ave, Hillside, NJ 07205, United States View details

Phone: +19739262219

Nearby Schools and Colleges

Schools and campuses linked to Hillside, NJ. Select a name to open its map and contact details.

Code	Name	City	ZIP
184506	Empire Beauty School-Union	Union (NJ)	07083

Nearby Transit Stations (21)

Rail and bus stations connected to Hillside, NJ. Select a station to open its map and address details.

Code	Name	Address	Type
EWR	Newark Liberty International Airport	Newark Liberty International Airport	RAIL
NWK	Pennsylvania Station	1 Raymond Plaza West	RAIL
MET	Metropark station	100 Middlesex-Essex Turnpike	RAIL
NYP	Pennsylvania Station	8th Ave 31st Street / 8th Ave 33rd Street	RAIL
NBK	New Brunswick station	French and Albany Streets	RAIL

Nearby Post Offices

Closest post offices linked to Hillside.

Post Office Name	City	ZIP
Industrial Hillsid Post Office	Hillside (NJ)	07205

Other places with the same name (3)

Hillside, New York census-designated place in Ulster County, New York with a population of 24,808 people.
Hillside, Illinois village in United States of America with a population of 7,785 people.
Hillside, South Dakota township in Edmunds County, South Dakota with a population of 31 people.

Other cities in Union County

Cities, towns, neighborhoods & other populated places in Union County , NJ. (more)

City Name	Population	Title
Elizabeth	128,382	The second most populous city in Union County, New Jersey.
Elizabethport	124,969	A city in Union County, New Jersey.
Union	67,137	A city in Union County, New Jersey.
Plainfield	50,011	A city in Union County, New Jersey.
Linden	42,076	A city in Union County, New Jersey.
Rahway	29,832	City in Union County, New Jersey
Westfield	29,238	Town in Union County, New Jersey
Scotch Plains	24,138	Township in Union County, New Jersey, United States
Cranford	24,028	Township of New Jersey
Summit	21,812	City in Union County, New Jersey, United States
Roselle	21,689	Borough in New Jersey, USA
Clark	15,837	Township in southern Union County, New Jersey, United States
New Providence	13,994	Town in New Jersey, United States
Roselle Park	13,510	Borough in Union County, New Jersey
Berkeley Heights	13,313	Township in Union County, New Jersey
Kenilworth	8,153	Town in New Jersey

Distance to Other Cities

Hillside distances to largest New Jersey cities