What is the population of Allentown?

The population of Allentown, NJ is 1,761.

Where is Allentown located?

Allentown, NJ is located at latitude 40.1778900 and longitude -74.5834900. It is in United States.

What is the area of Allentown?

The area of Allentown, NJ is 1.608117 km².

What is the elevation of Allentown?

Allentown, NJ has an elevation of 25 meters (82 feet) above sea level.

What time zone is Allentown in?

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

What state is Allentown in?

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

What county is Allentown, NJ in?

Allentown is in Monmouth County, New Jersey.

How has the population of Allentown changed?

The population of Allentown, NJ has decreased from 1,828 (2010) to 1,761 (2020), a change of -3.7%.

Allentown, New Jersey

Allentown: borough of New Jersey

About

Allentown is a city located in the county of Monmouth in the U.S. state of New Jersey. Its population at the 2010 census was 1,828 and a population density of 1,137 people per km². After 10 years in 2020 city had an estimated population of 1,761 inhabitants.

The city was created 127 years ago in 1898.

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

Quick Facts about Allentown

Population	1,761 (2020)
Country	United States of America
State	New Jersey (United States)
County	Monmouth County
Postal code	08501
Area	1.61 km²
Latitude & Longitude	40.1779,-74.5835
Altitude	246 feet / 75 meters
Establishment	January 01, 1899 (127 years ago)
Time Zone	Eastern Time Zone
Local time	19:49:13 (22nd April 2026)
Density	1,095 Pop. per km² as of 2020
Population growth	-3.8% (2010-2020)
Weather	63℉ Rain Showers Likely 7-days weather

Allentown New Jersey downtown image

Geography

Allentown is located at 40°10'40"N 74°35'1"W (40.1778900, -74.5834900).

Allentown map

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Weather

63°F

Rain Showers Likely

5 to 10 mph SW Wednesday

Rain showers likely. Mostly cloudy, with a high near 63. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts less than a...

7-Day Forecast

Official website of Allentown

Official Website

Demographics

According to census records, the population of Allentown decreased by 3.8% in 10 years.

Year	Population	% Change	Method
2010	1,828	-	census
2011	1,829	0.05%	estimation process
2012	1,822	-0.38%	estimation process
2013	1,819	-0.16%	estimation process
2014	1,811	-0.44%	estimation process
2015	1,809	-0.11%	estimation process
2016	1,804	-0.28%	estimation process
2017	1,799	-0.28%	estimation process
2018	1,786	-0.73%	estimation process
2019	1,775	-0.62%	estimation process
2020	1,761	-0.8%	estimation process

Allentown zip code is 08501. County name: Monmouth, County fips: 34025

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Best Things to Do in Allentown

1Historic Walnford

Rating: 4.7 (180)

62 Walnford Rd, Allentown, NJ 08501, United States View details

Phone: +16092596275 | Website available

2Assunpink Wildlife Management Area

Rating: 4.7 (94)

1 Eldrige road, Allentown, NJ 08501, United States View details

Phone: +16092592132 | Website available

Nearby Schools and Colleges

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

Code	Name	City	ZIP
185509	Mercer County Community College	West Windsor (NJ)	08550-3407

Nearby Transit Stations (28)

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

Code	Name	Address	Type
TRE	Trenton Transit Center	72 South Clinton Avenue	RAIL
PJC	Princeton Junction station	2 Wallace Road	RAIL
CWH	Cornwells Heights	700 Station Ave.	RAIL
NBK	New Brunswick station	French and Albany Streets	RAIL
PNK	Pennsauken, NJ	215 Derousse Avenue	BUS

Nearby Post Offices

Closest post offices linked to Allentown.

Post Office Name	City	ZIP
Allentown Post Office	Allentown (NJ)	08501

Other places with the same name (2)

Allentown, Pennsylvania The third most populous city in Pennsylvania. with a population of 121,470 people.
Allentown, Georgia human settlement in Bleckley, Laurens, Twiggs, and Wilkinson counties, Georgia, United States of America with a population of 152 people.

Other cities in Monmouth County

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

City Name	Population	Title
Hamilton	86,722	Township in Mercer County, New Jersey, United States
Manalapan	39,225	Township in Monmouth County, New Jersey
Long Branch	30,210	City in New Jersey, United States
Hazlet	19,641	Township in Monmouth County, New Jersey
Tinton Falls	17,406	Borough in Monmouth County, New Jersey, United States
Holmdel	16,670	Township of New Jersey
Asbury Park	15,377	City in New Jersey, United States
West Freehold	13,613	Census designated place
Eatontown	12,132	Borough in Monmouth County, New Jersey, United States
Freehold	11,658	Borough in Monmouth County, New Jersey, United States
Colts Neck	9,841	Township in Monmouth County, New Jersey
Keansburg	9,614	Borough in New Jersey, United States
Matawan	8,607	Borough in New Jersey, United States
West Long Branch	7,875	Borough in Monmouth County, New Jersey
Keyport	6,951	Town in Monmouth County, New Jersey
Rumson	6,671	Borough in Monmouth County, New Jersey, United States

Distance to Other Cities

Allentown distances to largest New Jersey cities