Plainsboro ZIP Codes — Middlesex County, NJ

There is one unique ZIP code in Plainsboro, New Jersey and it is 08536. Area code: 609.

ZIP codes

7.53

sq mi land

0.15

sq mi water

609

area code

Plainsboro, NJ ZIP code map

About Plainsboro, NJ

Plainsboro, New Jersey, is a serene township located in Middlesex County, known for its small-town charm and community spirit. With a single ZIP code of 08536, this quaint area offers a unique blend of suburban living and close-knit community engagement. Residents enjoy a tranquil lifestyle, supported by well-maintained parks and a variety of local amenities.

Location & geography

Situated approximately 5 miles south of the bustling city of Princeton, Plainsboro is bordered by several neighboring communities, including South Brunswick to the east and West Windsor to the north. The township encompasses a land area of 7.53 square miles, complemented by a water area of 0.15 square miles, providing scenic views and recreational opportunities. The terrain is predominantly flat, making it easily accessible and ideal for outdoor activities.

Community & economy

Plainsboro boasts a diverse community with a strong emphasis on education and public service, contributing to a high quality of life for its residents. The local economy is supported by a mix of residential neighborhoods and commercial areas, with many residents commuting to nearby corporate hubs for employment. Daily life in Plainsboro is characterized by community events, local markets, and an active involvement in maintaining parks and recreational facilities.

Transportation

Plainsboro is conveniently connected to major roadways, including Route 1 and the New Jersey Turnpike, facilitating easy access to the greater New Jersey area. The nearest airport is Trenton-Mercer Airport, located about 15 miles away, while New Jersey Transit trains and buses provide public transit options for commuters. Residents benefit from the township's proximity to key transportation routes that make travel seamless.

History

Plainsboro was founded in the 18th century and has evolved from a primarily agricultural community into a suburban township. Historically, the township has seen significant development, particularly in the fields of education and technology, with several educational facilities contributing to its reputation. Notable events in its history include the establishment of community programs that promote environmental sustainability and local heritage.

Did you know?

A little-known fact about Plainsboro is its commitment to environmental preservation, with numerous nature reserves and parks dedicated to maintaining natural habitats. The township also hosts various cultural events throughout the year, highlighting its rich community traditions.

ZIP codes for Plainsboro, NJ (1)

ZIP code	City	County	Map
08536	Plainsboro	Middlesex	View map

Demographics & statistics

20,693

Population

36.5

Median age

$122,254

Median household income

$67,644

Per capita income

$603,100

Median home value

$1,849

Median monthly rent

44.3%

Home ownership

3.4%

Poverty rate

4.7%

Unemployment

4,114

Housing units

78.3%

Bachelor's or higher

Age distribution

Male Female

562

Under 5

562

642

5–9

643

814

10–14

814

508

15–19

509

504

20–24

505

1,873

25–34

1,875

1,844

35–44

1,846

1,597

45–54

1,599

599

55–59

599

495

60–64

495

665

65–74

665

161

75–84

162

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	4,866	23.5%
18 and over	15,827	76.5%
65 and over	1,808	8.7%
Median age	36.5 years

Race & ethnicity

Asian 59.8%

White 26.9%

Black or African American 5.8%

Two or more races 4.3%

Hispanic or Latino 2.6%

Other race 0.5%

American Indian / Alaska Native 0.2%

Group	Count	%
Asian	12,697	59.8%
White	5,708	26.9%
Black or African American	1,228	5.8%
Two or more races	906	4.3%
Hispanic or Latino	547	2.6%
Other race	108	0.5%
American Indian / Alaska Native	46	0.2%

Household income

Under $10k 1.9%

$10k–$15k 0.5%

$15k–$25k 1.4%

$25k–$35k 2.9%

$35k–$50k 4.7%

$50k–$75k 9.4%

$75k–$100k 14.6%

$100k–$150k 27.5%

$150k–$200k 13.7%

$200k+ 23.4%

Range	% of households
Under $10k	1.9%
$10k–$15k	0.5%
$15k–$25k	1.4%
$25k–$35k	2.9%
$35k–$50k	4.7%
$50k–$75k	9.4%
$75k–$100k	14.6%
$100k–$150k	27.5%
$150k–$200k	13.7%
$200k+	23.4%
Median income	$122,254

Housing

Home values

$50k–$100k 0.3%

$100k–$150k 4.3%

$150k–$200k 3.3%

$200k–$300k 10.1%

$300k–$500k 18.3%

$500k–$1M 51.5%

$1M+ 12.2%

Housing overview

Metric	Value
Median home value	$603,100
Median rent / month	$1,849
Owner occupied	44.3%
Renter occupied	55.7%
Vacant	4.5%
Single-family detached	29.7%
Large apartment buildings	8.1%
Mobile homes	0.0%
Median rooms	4.1
Avg household size (owned)	2.81

Year built

Era	%
2020 or later	0.0%
2010–2019	1.9%
2000–2009	12.4%
1990–1999	16.7%
1980–1989	37.0%
1970–1979	19.5%
1960–1969	6.7%
1950–1959	3.1%
1940–1949	0.8%
1939 or earlier	1.8%

Bedrooms

Size	% of units
No bedroom (studio)	4.4%
1 bedroom	30.4%
2 bedrooms	31.1%
3 bedrooms	12.2%
4 bedrooms	18.3%
5+ bedrooms	3.7%

Vehicles per household

Vehicles	% of households
No vehicle	4.3%
1 vehicle	48.1%
2 vehicles	36.8%
3 or more	10.8%

Heating fuel

Fuel type	%
Utility gas	49.4%
Electricity	48.9%
Propane / LP gas	0.3%
Fuel oil	1.1%
No fuel used	0.3%

Households & families

Household type	Count	%
Married-couple family	4,891	58.3%
Cohabiting couple	416	5.0%
Male householder, no spouse	1,619	19.3%
Female householder, no spouse	1,469	17.5%
Households with children under 18	3,115	37.1%
Households with seniors (65+)	1,171	13.9%
Average household size	2.46

Marital status

Status	Male	Female
Never married	30.5%	30.1%
Married	64.9%	59.3%
Separated	0.1%	0.5%
Widowed	0.7%	3.5%
Divorced	3.8%	6.6%

Education

Less than 9th grade 1.0%

Some HS, no diploma 0.6%

HS graduate 7.0%

Some college, no degree 7.9%

Associate's degree 5.1%

Bachelor's degree 35.5%

Graduate / professional 42.8%

Metric	%
HS diploma or higher	98.3%
Bachelor's or higher	78.3%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	285	5.5%
Kindergarten	230	4.4%
Elementary school	2,483	48.0%
High school	940	18.2%
College / grad school	1,236	23.9%

Employment

Industry of employment

Professional & management 32.8%

Education & healthcare 19.2%

Finance & real estate 12.2%

Manufacturing 11.1%

Retail trade 6.5%

Information 4.1%

Construction 3.4%

Wholesale trade 2.4%

Public administration 2.4%

Transportation & utilities 2.2%

Arts, food & hospitality 2.0%

Other services 1.8%

Occupation

Category	%
Management, business & arts	74.4%
Service	3.2%
Sales & office	15.2%
Natural resources & construction	2.9%
Production & transportation	4.4%

Employment type

Type	%
Private sector	87.6%
Government	9.1%
Self-employed	3.3%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	60.1%
Carpool	1.9%
Public transit	9.1%
Walk	0.7%
Other means	0.7%
Avg commute (minutes)	37.0

Poverty

All people 3.4%

Under 18 years 1.9%

18 and over 3.8%

Married-couple families 1.5%

Female-led households 19.3%

Income support

Source	% of households
Social Security	10.9%
Retirement income	11.9%
Supplemental Security	2.0%
Cash public assistance	0.5%
Food stamps / SNAP	2.7%

Health indicators

Condition	%
High blood pressure	0.0%
High cholesterol	0.0%
Heart disease	2.6%
Stroke	1.2%
Asthma	7.0%
Arthritis	10.2%
Kidney disease	1.3%
Pulmonary disease	2.0%
Cancer	3.6%

Behavior / access	%
Binge drinking	16.8%
No physical activity	13.2%
Less than 7 hrs sleep	32.0%
Fair or poor health	5.4%
Poor mental health	10.3%
Poor physical health	4.3%
No health insurance	8.4%
Visited doctor (checkup)	72.8%
Visited dentist	74.8%
Cholesterol screening	0.0%
Teeth loss	3.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	213	1.3%

Disability	%
Any disability	3.7%
Under 18	1.6%
18–64 years	3.2%
65 and over	13.2%

Health insurance coverage

Type	%
Private insurance	89.0%
Public insurance	12.7%
Uninsured under 19	1.7%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	19,569	94.6%
Spanish	2,657	13.6%
Other Indo-European	65	0.3%
Asian & Pacific Islander	1,016	5.2%
Other languages	1,519	7.8%

Place of birth & citizenship

Origin	Count	%
Native born (US)	9,978	48.2%
Born in same state	9,739	47.1%
Born in different state	6,091	29.4%
Foreign born	239	1.2%
Naturalized citizen	10,715	51.8%
Not a US citizen	5,013	46.8%

Ancestry

Ancestry	Count	%
Italian	1,077	5.2%
French	570	2.8%
Arab	399	1.9%
Irish	231	1.1%

Ancestry	Count	%
English	102	0.5%
German	78	0.4%
Norwegian	13	0.1%

Technology access

Metric	% of households
Computer access	40.6%
Internet access	99.3%

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

Frequently asked questions

What ZIP codes does Plainsboro, NJ have?

Plainsboro, NJ has one ZIP code: 08536. Each ZIP code serves a distinct delivery area within the city and surrounding region.