Dunellen ZIP Codes — Middlesex County, NJ

There is one unique ZIP code in Dunellen, New Jersey and it is 08812. Area code: 732/848.

ZIP codes

5.08

sq mi land

0.01

sq mi water

732/848

area code

Dunellen, NJ ZIP code map

About Dunellen, NJ

Dunellen, New Jersey, is a charming borough located in Middlesex County, known for its welcoming community and rich local culture. With a single ZIP code of 08812, the borough offers a blend of suburban serenity and convenient access to urban amenities. This quaint town is ideal for residents who appreciate a small-town atmosphere while being close to larger city centers.

Location & geography

Dunellen is situated in central New Jersey, providing an excellent location for commuting to nearby cities. It is located approximately 3 miles from Piscataway, 5 miles from Plainfield, and about 11 miles from New Brunswick, making it a strategic point in the region. The borough covers a total land area of 10.16 square miles with a minimal water area of just 0.02 square miles, ensuring a predominately terrestrial environment.

Community & economy

The character of Dunellen is defined by its tight-knit community and diverse population, creating a friendly and inclusive atmosphere. The borough features a mix of residential neighborhoods and small businesses, with local shops and eateries contributing to the town's charm. Daily life in Dunellen revolves around community events, local parks, and easy access to recreational activities for all age groups.

Transportation

Dunellen is well-connected via major highways, primarily through the use of Interstate 287, which allows for efficient travel throughout New Jersey. The nearest major airport is Newark Liberty International Airport, located approximately 20 miles away, providing both domestic and international travel options. Public transit options include NJ Transit rail service, which links residents to surrounding areas and New York City.

History

Dunellen was founded in the late 19th century and was initially developed as a railroad town, which spurred its growth and accessibility. The borough has historically been home to various industries, including agriculture and manufacturing, that contributed to its development. Over the years, Dunellen has experienced notable events, including the establishment of the local school district and the rise of community engagement.

Did you know?

One surprising fact about Dunellen is that it is home to several parks, such as the popular Dunellen Reservoir, which offers residents outdoor recreational opportunities. Additionally, Dunellen has a rich history reflected in its quaint downtown area, featuring historic buildings and local businesses that have stood the test of time.

ZIP codes for Dunellen, NJ (1)

ZIP code	City	County	Map
08812	Dunellen	Middlesex	View map

Demographics & statistics

14,054

Population

40.7

Median age

$115,481

Median household income

$51,119

Per capita income

$413,100

Median home value

$1,518

Median monthly rent

76.3%

Home ownership

14.1%

Poverty rate

4.9%

Unemployment

3,935

Housing units

42.3%

Bachelor's or higher

Age distribution

Male Female

247

Under 5

204

445

5–9

368

518

10–14

429

782

15–19

646

587

20–24

485

604

25–34

499

1,199

35–44

991

1,072

45–54

886

658

55–59

545

579

60–64

479

537

65–74

445

325

75–84

268

140

85+

116

← Male

Female →

Age summary

Group	Count	%
Under 18	3,172	22.6%
18 and over	10,882	77.4%
65 and over	1,831	13.0%
Median age	40.7 years

Race & ethnicity

White 38.1%

Hispanic or Latino 23.1%

Other race 15.9%

Asian 11.8%

Two or more races 8.7%

Black or African American 2.2%

American Indian / Alaska Native 0.1%

Group	Count	%
White	6,963	38.1%
Hispanic or Latino	4,223	23.1%
Other race	2,903	15.9%
Asian	2,164	11.8%
Two or more races	1,594	8.7%
Black or African American	409	2.2%
American Indian / Alaska Native	21	0.1%

Household income

Under $10k 6.2%

$10k–$15k 3.3%

$15k–$25k 2.1%

$25k–$35k 1.5%

$35k–$50k 8.1%

$50k–$75k 10.0%

$75k–$100k 12.7%

$100k–$150k 15.5%

$150k–$200k 11.3%

$200k+ 29.3%

Range	% of households
Under $10k	6.2%
$10k–$15k	3.3%
$15k–$25k	2.1%
$25k–$35k	1.5%
$35k–$50k	8.1%
$50k–$75k	10.0%
$75k–$100k	12.7%
$100k–$150k	15.5%
$150k–$200k	11.3%
$200k+	29.3%
Median income	$115,481

Housing

Home values

Under $50k 3.6%

$50k–$100k 0.2%

$100k–$150k 0.7%

$150k–$200k 1.2%

$200k–$300k 18.4%

$300k–$500k 45.1%

$500k–$1M 27.3%

$1M+ 3.5%

Housing overview

Metric	Value
Median home value	$413,100
Median rent / month	$1,518
Owner occupied	76.3%
Renter occupied	23.7%
Vacant	9.6%
Single-family detached	67.0%
Large apartment buildings	4.5%
Mobile homes	0.3%
Median rooms	6.1
Avg household size (owned)	3.03

Year built

Era	%
2020 or later	0.0%
2010–2019	4.9%
2000–2009	9.0%
1990–1999	12.5%
1980–1989	5.1%
1970–1979	10.8%
1960–1969	8.4%
1950–1959	20.5%
1940–1949	5.7%
1939 or earlier	23.0%

Bedrooms

Size	% of units
No bedroom (studio)	2.9%
1 bedroom	5.8%
2 bedrooms	23.4%
3 bedrooms	36.4%
4 bedrooms	24.8%
5+ bedrooms	6.6%

Vehicles per household

Vehicles	% of households
No vehicle	4.0%
1 vehicle	27.5%
2 vehicles	42.7%
3 or more	25.8%

Heating fuel

Fuel type	%
Utility gas	76.9%
Electricity	11.5%
Propane / LP gas	2.0%
Fuel oil	9.6%

Households & families

Household type	Count	%
Married-couple family	2,564	56.6%
Cohabiting couple	217	4.8%
Male householder, no spouse	754	16.6%
Female householder, no spouse	995	22.0%
Households with children under 18	1,703	37.6%
Households with seniors (65+)	1,284	28.3%
Average household size	3.04

Marital status

Status	Male	Female
Never married	43.1%	31.5%
Married	49.7%	48.3%
Separated	0.6%	1.6%
Widowed	1.0%	8.2%
Divorced	5.6%	10.4%

Education

Less than 9th grade 3.0%

Some HS, no diploma 5.8%

HS graduate 31.3%

Some college, no degree 11.7%

Associate's degree 5.8%

Bachelor's degree 30.0%

Graduate / professional 12.3%

Metric	%
HS diploma or higher	91.1%
Bachelor's or higher	42.3%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	264	6.9%
Kindergarten	95	2.5%
Elementary school	1,528	39.7%
High school	1,005	26.1%
College / grad school	954	24.8%

Employment

Industry of employment

Professional & management 17.3%

Education & healthcare 16.6%

Finance & real estate 10.2%

Retail trade 9.9%

Construction 9.5%

Manufacturing 7.3%

Arts, food & hospitality 7.2%

Transportation & utilities 6.6%

Wholesale trade 5.0%

Other services 4.8%

Information 2.9%

Public administration 2.8%

Occupation

Category	%
Management, business & arts	46.6%
Service	9.6%
Sales & office	22.4%
Natural resources & construction	9.8%
Production & transportation	11.7%

Employment type

Type	%
Private sector	86.9%
Government	8.1%
Self-employed	5.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	71.9%
Carpool	9.0%
Public transit	5.2%
Walk	0.3%
Other means	3.1%
Avg commute (minutes)	30.0

Poverty

All people 14.1%

Under 18 years 21.2%

18 and over 12.0%

Married-couple families 10.3%

Female-led households 19.4%

Income support

Source	% of households
Social Security	25.9%
Retirement income	20.1%
Supplemental Security	2.0%
Cash public assistance	5.2%
Food stamps / SNAP	8.3%

Health indicators

Condition	%
High blood pressure	0.0%
High cholesterol	0.0%
Heart disease	5.1%
Stroke	2.2%
Asthma	8.5%
Arthritis	17.9%
Kidney disease	2.3%
Pulmonary disease	4.5%
Cancer	5.8%

Behavior / access	%
Binge drinking	17.7%
No physical activity	18.2%
Less than 7 hrs sleep	32.7%
Fair or poor health	10.1%
Poor mental health	12.9%
Poor physical health	7.6%
No health insurance	12.9%
Visited doctor (checkup)	74.2%
Visited dentist	68.6%
Cholesterol screening	0.0%
Teeth loss	9.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	366	3.4%

Disability	%
Any disability	6.3%
Under 18	3.5%
18–64 years	4.0%
65 and over	23.5%

Health insurance coverage

Type	%
Private insurance	72.2%
Public insurance	24.7%
Uninsured under 19	6.7%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	13,603	96.8%
Spanish	2,120	15.6%
Other Indo-European	1,072	7.9%
Asian & Pacific Islander	417	3.1%
Other languages	603	4.4%

Place of birth & citizenship

Origin	Count	%
Native born (US)	9,516	67.7%
Born in same state	9,400	66.9%
Born in different state	7,655	54.5%
Foreign born	116	0.8%
Naturalized citizen	4,538	32.3%
Not a US citizen	3,190	70.3%

Ancestry

Ancestry	Count	%
Italian	1,425	10.1%
French	398	2.8%
Arab	312	2.2%

Ancestry	Count	%
Polish	295	2.1%
English	91	0.6%
Irish	36	0.3%

Technology access

Metric	% of households
Computer access	32.2%
Internet access	93.7%

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

Frequently asked questions

What ZIP codes does Dunellen, NJ have?

Dunellen, NJ has one ZIP code: 08812. Each ZIP code serves a distinct delivery area within the city and surrounding region.