Allentown ZIP Codes — Monmouth County, NJ

There is one unique ZIP code in Allentown, New Jersey and it is 08501. Area code: 609.

ZIP codes

27.19

sq mi land

0.63

sq mi water

609

area code

Allentown, NJ ZIP code map

About Allentown, NJ

Allentown, New Jersey, is a charming borough located in the heart of Monmouth County. This quaint town offers a strong sense of community and a peaceful, rural atmosphere, making it a desirable place to live. With its picturesque surroundings and historic architecture, Allentown attracts visitors and residents alike seeking a quieter lifestyle near bustling urban centers.

Location & geography

Allentown is situated approximately 15 miles east of Trenton, the state capital, and about 20 miles north of Lakewood. The borough covers a land area of 27.19 square miles, accompanied by a water area of 0.63 square miles, contributing to its scenic beauty. The terrain in the region is primarily flat with lush greenery and is interspersed with local parks and recreational areas.

Community & economy

The community in Allentown is tight-knit, with a friendly atmosphere that encourages local engagement and participation. The borough is home to a mix of light industries and agricultural businesses, contributing to its unique economic landscape. Daily life in Allentown often revolves around local events, family-oriented activities, and outdoor enjoyment in its parks and recreational facilities.

Transportation

Allentown is accessible via several major highways, including Route 539, which connects to other nearby roadways, facilitating easy travel throughout New Jersey. The nearest airport is Trenton-Mercer Airport, located about 17 miles away, providing regional flight options. Public transportation options in the area are limited, making private vehicles the primary mode of transit.

History

Allentown was founded in the early 18th century and has since developed a rich historical background influenced by its agricultural roots. The borough played an important role during the American Revolutionary War, serving as a staging ground for troops. Over the years, Allentown has maintained its historical charm while adapting to modern needs, with key industries shifting towards smaller businesses and local services.

Did you know?

One surprising fact about Allentown is that it serves as the site of the annual Allentown Fair, celebrating local culture and agriculture. The borough is also notable for its beautiful historic district, featuring well-preserved buildings that reflect its long-standing heritage.

ZIP codes for Allentown, NJ (1)

ZIP code	City	County	Map
08501	Allentown	Monmouth	View map

Demographics & statistics

6,417

Population

48.5

Median age

$135,370

Median household income

$67,255

Per capita income

$507,800

Median home value

$1,543

Median monthly rent

91.5%

Home ownership

5.7%

Poverty rate

8.5%

Unemployment

2,305

Housing units

60.1%

Bachelor's or higher

Age distribution

Male Female

124

Under 5

137

151

5–9

167

139

10–14

153

233

15–19

257

248

20–24

274

169

25–34

187

314

35–44

346

420

45–54

465

238

55–59

262

225

60–64

249

391

65–74

433

281

75–84

311

115

85+

128

← Male

Female →

Age summary

Group	Count	%
Under 18	1,206	18.8%
18 and over	5,211	81.2%
65 and over	1,659	25.9%
Median age	48.5 years

Race & ethnicity

White 85.5%

Asian 7.2%

Black or African American 2.9%

Two or more races 2.6%

Hispanic or Latino 1.5%

Other race 0.4%

Group	Count	%
White	5,567	85.5%
Asian	468	7.2%
Black or African American	187	2.9%
Two or more races	167	2.6%
Hispanic or Latino	97	1.5%
Other race	27	0.4%

Household income

Under $10k 1.5%

$10k–$15k 2.7%

$15k–$25k 0.5%

$25k–$35k 4.8%

$35k–$50k 7.6%

$50k–$75k 9.2%

$75k–$100k 14.9%

$100k–$150k 11.1%

$150k–$200k 14.5%

$200k+ 33.1%

Range	% of households
Under $10k	1.5%
$10k–$15k	2.7%
$15k–$25k	0.5%
$25k–$35k	4.8%
$35k–$50k	7.6%
$50k–$75k	9.2%
$75k–$100k	14.9%
$100k–$150k	11.1%
$150k–$200k	14.5%
$200k+	33.1%
Median income	$135,370

Housing

Home values

Under $50k 0.1%

$50k–$100k 1.7%

$100k–$150k 0.2%

$150k–$200k 1.1%

$200k–$300k 6.3%

$300k–$500k 39.5%

$500k–$1M 43.8%

$1M+ 7.2%

Housing overview

Metric	Value
Median home value	$507,800
Median rent / month	$1,543
Owner occupied	91.5%
Renter occupied	8.5%
Vacant	2.1%
Single-family detached	93.0%
Large apartment buildings	0.0%
Mobile homes	0.0%
Median rooms	7.3
Avg household size (owned)	2.66

Year built

Era	%
2020 or later	0.0%
2010–2019	4.7%
2000–2009	28.2%
1990–1999	15.6%
1980–1989	5.0%
1970–1979	13.6%
1960–1969	2.4%
1950–1959	8.8%
1940–1949	3.4%
1939 or earlier	18.2%

Bedrooms

Size	% of units
No bedroom (studio)	0.7%
1 bedroom	2.0%
2 bedrooms	18.1%
3 bedrooms	34.2%
4 bedrooms	36.1%
5+ bedrooms	8.9%

Vehicles per household

Vehicles	% of households
No vehicle	1.1%
1 vehicle	25.7%
2 vehicles	45.8%
3 or more	27.4%

Heating fuel

Fuel type	%
Utility gas	75.7%
Electricity	9.3%
Propane / LP gas	4.2%
Fuel oil	7.7%
Wood	1.3%
No fuel used	1.0%

Households & families

Household type	Count	%
Married-couple family	1,612	65.5%
Cohabiting couple	88	3.6%
Male householder, no spouse	239	9.7%
Female householder, no spouse	521	21.2%
Households with children under 18	683	27.8%
Households with seniors (65+)	991	40.3%
Average household size	2.61

Marital status

Status	Male	Female
Never married	28.5%	25.2%
Married	63.9%	57.0%
Separated	0.3%	0.5%
Widowed	2.5%	10.4%
Divorced	4.9%	6.9%

Education

Less than 9th grade 2.3%

Some HS, no diploma 1.8%

HS graduate 16.3%

Some college, no degree 11.9%

Associate's degree 7.6%

Bachelor's degree 34.6%

Graduate / professional 25.5%

Metric	%
HS diploma or higher	95.9%
Bachelor's or higher	60.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	126	9.5%
Kindergarten	47	3.6%
Elementary school	458	34.6%
High school	403	30.5%
College / grad school	289	21.8%

Employment

Industry of employment

Education & healthcare 25.3%

Professional & management 13.3%

Finance & real estate 10.8%

Manufacturing 10.3%

Arts, food & hospitality 8.6%

Public administration 7.0%

Other services 4.7%

Retail trade 4.0%

Transportation & utilities 3.6%

Wholesale trade 3.5%

Construction 3.3%

Information 3.2%

Agriculture & mining 2.4%

Occupation

Category	%
Management, business & arts	64.9%
Service	11.2%
Sales & office	16.3%
Natural resources & construction	4.1%
Production & transportation	3.6%

Employment type

Type	%
Private sector	80.2%
Government	17.5%
Self-employed	2.2%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	67.7%
Carpool	9.1%
Public transit	2.6%
Walk	1.2%
Other means	0.0%
Avg commute (minutes)	33.8

Poverty

All people 5.7%

Under 18 years 9.9%

18 and over 4.8%

Married-couple families 1.3%

Female-led households 1.1%

Income support

Source	% of households
Social Security	39.1%
Retirement income	36.3%
Supplemental Security	3.3%
Cash public assistance	0.0%
Food stamps / SNAP	2.2%

Health indicators

Condition	%
High blood pressure	0.0%
High cholesterol	0.0%
Heart disease	5.7%
Stroke	2.4%
Asthma	9.0%
Arthritis	22.3%
Kidney disease	2.4%
Pulmonary disease	5.2%
Cancer	7.3%

Behavior / access	%
Binge drinking	18.8%
No physical activity	17.1%
Less than 7 hrs sleep	33.2%
Fair or poor health	9.3%
Poor mental health	12.6%
Poor physical health	7.8%
No health insurance	8.8%
Visited doctor (checkup)	75.5%
Visited dentist	73.1%
Cholesterol screening	0.0%
Teeth loss	7.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	367	7.0%

Disability	%
Any disability	9.9%
Under 18	1.1%
18–64 years	8.5%
65 and over	19.2%

Health insurance coverage

Type	%
Private insurance	86.5%
Public insurance	30.8%
Uninsured under 19	0.7%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	6,156	95.9%
Spanish	138	2.2%
Other Indo-European	0	0.0%
Asian & Pacific Islander	74	1.2%
Other languages	47	0.8%

Place of birth & citizenship

Origin	Count	%
Native born (US)	5,745	89.5%
Born in same state	5,655	88.1%
Born in different state	4,106	64.0%
Foreign born	90	1.4%
Naturalized citizen	672	10.5%
Not a US citizen	572	85.1%

Ancestry

Ancestry	Count	%
Italian	1,663	25.9%
French	596	9.3%
Arab	381	5.9%
Irish	156	2.4%
German	31	0.5%

Ancestry	Count	%
Norwegian	31	0.5%
Dutch	25	0.4%
English	17	0.3%
Polish	12	0.2%

Technology access

Metric	% of households
Computer access	38.3%
Internet access	96.1%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions

What ZIP codes does Allentown, NJ have?

Allentown, NJ has one ZIP code: 08501. Each ZIP code serves a distinct delivery area within the city and surrounding region.