East Setauket ZIP Code List — Suffolk County, NY

There is one unique ZIP code in East Setauket, New York and it is 11733. Area code: 631.

ZIP codes

11.74

sq mi land

4.47

sq mi water

631

area code

East Setauket, NY ZIP code map

About East Setauket, NY

East Setauket, New York, is a quaint hamlet located in Suffolk County. Known for its scenic surroundings and suburban charm, East Setauket offers a balance of natural beauty and community spirit. This picturesque area draws visitors and residents alike, fostering a close-knit atmosphere.

Location & geography

East Setauket is situated on Long Island, approximately 3 miles from Stony Brook to the west and about 8 miles from Port Jefferson to the east. The region encompasses a total land area of 23.48 square miles, alongside a water area of 8.94 square miles, featuring a mix of residential neighborhoods and green spaces. With its proximity to the Long Island Sound, East Setauket offers beautiful waterfront views and outdoor recreational opportunities.

Community & economy

The community of East Setauket is characterized by its suburban feel, with tree-lined streets and family-friendly parks. Many residents work in education, healthcare, and local businesses, contributing to a diverse yet cohesive local economy. Daily life is often enhanced by various community events, recreational activities, and local dining options that foster a strong sense of belonging.

Transportation

East Setauket is easily accessible via several major highways, including Route 347 and the Long Island Expressway, which connect to other parts of Long Island and New York City. The nearest airport is Long Island MacArthur Airport, located approximately 15 miles to the east. Public transportation options include the Long Island Rail Road with a station in nearby Stony Brook.

History

East Setauket was founded in the 17th century and has a rich history that reflects its location on Long Island. Key industries historically included agriculture and fishing, which have evolved over time to include education and healthcare as significant contributors to the local economy. Notable events in the area, like the American Revolutionary War, have added depth to its historical significance.

Did you know?

One surprising fact about East Setauket is its historical ties to the Setauket Spy Ring, a group that played a crucial role during the American Revolutionary War. Additionally, the area is home to several preserved historical sites that celebrate its rich heritage.

ZIP codes for East Setauket, NY (1)

ZIP code	City	County	Map
11733	East Setauket	Suffolk	View map

Demographics & statistics

17,304

Population

45.4

Median age

$170,074

Median household income

$79,927

Per capita income

$629,400

Median home value

$2,369

Median monthly rent

85.4%

Home ownership

4.3%

Poverty rate

4.7%

Unemployment

5,665

Housing units

63.2%

Bachelor's or higher

Age distribution

Male Female

391

Under 5

372

505

5–9

482

633

10–14

603

598

15–19

571

659

20–24

629

749

25–34

714

836

35–44

796

1,301

45–54

1,240

690

55–59

658

817

60–64

778

996

65–74

949

412

75–84

393

272

85+

260

← Male

Female →

Age summary

Group	Count	%
Under 18	3,817	22.1%
18 and over	13,487	77.9%
65 and over	3,282	19.0%
Median age	45.4 years

Race & ethnicity

White 77.6%

Asian 8.5%

Two or more races 5.6%

Hispanic or Latino 4.7%

Other race 2%

Black or African American 1.6%

Group	Count	%
White	14,089	77.6%
Asian	1,549	8.5%
Two or more races	1,008	5.6%
Hispanic or Latino	847	4.7%
Other race	365	2%
Black or African American	285	1.6%

Household income

Under $10k 0.6%

$10k–$15k 1.4%

$15k–$25k 2.0%

$25k–$35k 4.8%

$35k–$50k 4.9%

$50k–$75k 8.2%

$75k–$100k 6.3%

$100k–$150k 17.3%

$150k–$200k 12.6%

$200k+ 41.9%

Range	% of households
Under $10k	0.6%
$10k–$15k	1.4%
$15k–$25k	2.0%
$25k–$35k	4.8%
$35k–$50k	4.9%
$50k–$75k	8.2%
$75k–$100k	6.3%
$100k–$150k	17.3%
$150k–$200k	12.6%
$200k+	41.9%
Median income	$170,074

Housing

Home values

Under $50k 0.9%

$50k–$100k 1.9%

$100k–$150k 1.5%

$150k–$200k 1.0%

$200k–$300k 1.2%

$300k–$500k 20.5%

$500k–$1M 61.8%

$1M+ 11.3%

Housing overview

Metric	Value
Median home value	$629,400
Median rent / month	$2,369
Owner occupied	85.4%
Renter occupied	14.6%
Vacant	8.1%
Single-family detached	84.9%
Large apartment buildings	1.7%
Mobile homes	1.9%
Median rooms	7.4
Avg household size (owned)	2.89

Year built

Era	%
2020 or later	0.0%
2010–2019	2.0%
2000–2009	5.0%
1990–1999	11.8%
1980–1989	12.7%
1970–1979	15.8%
1960–1969	29.9%
1950–1959	8.1%
1940–1949	3.1%
1939 or earlier	11.6%

Bedrooms

Size	% of units
No bedroom (studio)	1.0%
1 bedroom	4.7%
2 bedrooms	9.0%
3 bedrooms	34.5%
4 bedrooms	38.3%
5+ bedrooms	12.5%

Vehicles per household

Vehicles	% of households
No vehicle	3.8%
1 vehicle	21.4%
2 vehicles	46.5%
3 or more	28.4%

Heating fuel

Fuel type	%
Utility gas	42.9%
Electricity	3.5%
Propane / LP gas	2.1%
Fuel oil	50.2%
Wood	0.2%
No fuel used	0.3%

Households & families

Household type	Count	%
Married-couple family	4,015	66.8%
Cohabiting couple	233	3.9%
Male householder, no spouse	707	11.8%
Female householder, no spouse	1,055	17.6%
Households with children under 18	2,010	33.4%
Households with seniors (65+)	2,047	34.1%
Average household size	2.81

Marital status

Status	Male	Female
Never married	30.9%	26.4%
Married	59.2%	59.1%
Separated	0.9%	0.6%
Widowed	2.5%	6.6%
Divorced	6.5%	7.3%

Education

Less than 9th grade 1.5%

Some HS, no diploma 1.4%

HS graduate 14.1%

Some college, no degree 11.2%

Associate's degree 8.6%

Bachelor's degree 23.2%

Graduate / professional 40.0%

Metric	%
HS diploma or higher	97.1%
Bachelor's or higher	63.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	116	2.6%
Kindergarten	207	4.7%
Elementary school	1,780	40.6%
High school	977	22.3%
College / grad school	1,299	29.7%

Employment

Industry of employment

Education & healthcare 41.6%

Professional & management 11.3%

Finance & real estate 8.4%

Retail trade 7.7%

Public administration 6.3%

Construction 4.8%

Other services 4.4%

Transportation & utilities 4.3%

Arts, food & hospitality 4.2%

Manufacturing 3.6%

Information 1.9%

Wholesale trade 1.6%

Agriculture & mining 0.1%

Occupation

Category	%
Management, business & arts	60.9%
Service	9.3%
Sales & office	18.3%
Natural resources & construction	7.1%
Production & transportation	4.4%

Employment type

Type	%
Private sector	63.9%
Government	30.7%
Self-employed	5.1%
Unpaid family workers	0.3%

Commute

Method	%
Drive alone	74.9%
Carpool	4.7%
Public transit	3.3%
Walk	0.3%
Other means	0.5%
Avg commute (minutes)	31.8

Poverty

All people 4.3%

Under 18 years 3.3%

18 and over 4.6%

Married-couple families 1.5%

Female-led households 7.7%

Income support

Source	% of households
Social Security	31.0%
Retirement income	27.6%
Supplemental Security	2.4%
Cash public assistance	1.1%
Food stamps / SNAP	2.0%

Health indicators

Condition	%
High blood pressure	26.6%
High cholesterol	30.4%
Heart disease	4.9%
Stroke	2.1%
Asthma	8.7%
Arthritis	18.5%
Kidney disease	2.3%
Pulmonary disease	4.2%
Cancer	7.0%

Behavior / access	%
Binge drinking	17.9%
No physical activity	16.8%
Less than 7 hrs sleep	31.1%
Fair or poor health	7.6%
Poor mental health	11.4%
Poor physical health	6.8%
No health insurance	6.9%
Visited doctor (checkup)	79.1%
Visited dentist	75.9%
Cholesterol screening	93.5%
Teeth loss	7.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	635	4.7%

Disability	%
Any disability	6.8%
Under 18	1.4%
18–64 years	4.4%
65 and over	22.1%

Health insurance coverage

Type	%
Private insurance	88.5%
Public insurance	26.2%
Uninsured under 19	0.3%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	16,541	95.6%
Spanish	494	3.0%
Other Indo-European	48	0.3%
Asian & Pacific Islander	207	1.3%
Other languages	228	1.4%

Place of birth & citizenship

Origin	Count	%
Native born (US)	15,299	88.4%
Born in same state	15,144	87.5%
Born in different state	13,226	76.4%
Foreign born	155	0.9%
Naturalized citizen	2,005	11.6%
Not a US citizen	1,614	80.5%

Ancestry

Ancestry	Count	%
Italian	3,554	20.5%
Arab	1,051	6.1%
French	907	5.2%
Irish	199	1.2%
Polish	191	1.1%

Ancestry	Count	%
German	92	0.5%
English	82	0.5%
Dutch	70	0.4%
Norwegian	55	0.3%

Technology access

Metric	% of households
Computer access	34.7%
Internet access	98.2%

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

Frequently asked questions

What is the ZIP code for East Setauket, NY?

East Setauket, NY has one ZIP code: 11733.

What is the main ZIP code for East Setauket, NY?

The primary ZIP code for East Setauket, NY is 11733. The city uses area code 631 for phone service.

What county is East Setauket, NY in?

East Setauket is located in Suffolk County, New York.

How many ZIP codes are in East Setauket, NY?

East Setauket, NY has 1 ZIP code.

What ZIP code should I use when mailing a package to Stony Brook University's main campus in East Setauket?

Stony Brook University's main campus is located in East Setauket and uses the ZIP code 11733 for mailing purposes.

What is the ZIP code for East Setauket's downtown area and local businesses along Route 25A?

The central business district and Route 25A corridor in East Setauket falls within ZIP code 11733.