East Islip ZIP Code List — Suffolk County, NY

There is one unique ZIP code in East Islip, New York and it is 11730. Area code: 631.

ZIP codes

4.50

sq mi land

0.49

sq mi water

631

area code

East Islip, NY ZIP code map

About East Islip, NY

East Islip, NY, is a charming hamlet located in Suffolk County, New York. It boasts a rich community spirit and serves as a residential area with a variety of amenities. This small town provides residents with a suburban feel while being conveniently located near various attractions.

Location & geography

East Islip is situated on the southern shore of Long Island, approximately 2 miles northwest of the Great South Bay. Nearby cities include Islip to the north, Sayville to the east, and Bay Shore to the west, each within a short drive of a few miles. The land area of East Islip spans 4.50 square miles, complemented by 0.49 square miles of water, offering scenic views and opportunities for water-related activities.

Community & economy

The character of East Islip is defined by its family-oriented atmosphere and active community involvement. The local economy is supported by various industries, including retail, education, and healthcare, providing residents with essential services and job opportunities. Daily life in East Islip includes engaging in local events, visiting parks, and enjoying the numerous recreational facilities available.

Transportation

East Islip is conveniently accessible via the Long Island Expressway (I-495) and the Southern State Parkway, allowing for easy travel to neighboring areas. The nearest major airport is Long Island MacArthur Airport, located approximately 8 miles to the northeast. Public transportation options include local bus services providing connections to surrounding communities and train stations.

History

East Islip was founded in the early 19th century and has evolved from a rural farming community into a suburban hamlet. It has historically been known for its agriculture, with the surrounding area developing a diverse economic base over time. Notable events in its history include the growth of residential development in the post-World War II era, which transformed the area into a desirable place to live.

Did you know?

One little-known fact about East Islip is that it is home to the South Shore Estuary Reserve, a significant ecological area that plays a crucial role in protecting the local environment. Additionally, East Islip has a rich history linked to the maritime activities of the Great South Bay, making it an interesting spot for history enthusiasts.

ZIP codes for East Islip, NY (1)

ZIP code	City	County	Map
11730	East Islip	Suffolk	View map

Demographics & statistics

14,168

Population

42.4

Median age

$137,649

Median household income

$58,970

Per capita income

$542,200

Median home value

$2,404

Median monthly rent

83.3%

Home ownership

3.6%

Poverty rate

2.5%

Unemployment

4,373

Housing units

36.8%

Bachelor's or higher

Age distribution

Male Female

344

Under 5

343

382

5–9

380

325

10–14

324

500

15–19

497

445

20–24

443

1,007

25–34

1,001

783

35–44

779

741

45–54

737

748

55–59

744

469

60–64

467

801

65–74

798

362

75–84

360

194

85+

194

← Male

Female →

Age summary

Group	Count	%
Under 18	2,870	20.3%
18 and over	11,298	79.7%
65 and over	2,709	19.1%
Median age	42.4 years

Race & ethnicity

White 78.9%

Hispanic or Latino 8.2%

Other race 4.4%

Two or more races 4.1%

Black or African American 3.1%

Asian 0.9%

American Indian / Alaska Native 0.3%

Group	Count	%
White	12,178	78.9%
Hispanic or Latino	1,272	8.2%
Other race	684	4.4%
Two or more races	635	4.1%
Black or African American	486	3.1%
Asian	140	0.9%
American Indian / Alaska Native	45	0.3%

Household income

Under $10k 0.8%

$10k–$15k 2.1%

$15k–$25k 4.5%

$25k–$35k 5.8%

$35k–$50k 2.4%

$50k–$75k 9.1%

$75k–$100k 13.6%

$100k–$150k 19.0%

$150k–$200k 15.5%

$200k+ 27.1%

Range	% of households
Under $10k	0.8%
$10k–$15k	2.1%
$15k–$25k	4.5%
$25k–$35k	5.8%
$35k–$50k	2.4%
$50k–$75k	9.1%
$75k–$100k	13.6%
$100k–$150k	19.0%
$150k–$200k	15.5%
$200k+	27.1%
Median income	$137,649

Housing

Home values

Under $50k 0.2%

$50k–$100k 1.3%

$100k–$150k 1.6%

$150k–$200k 0.4%

$200k–$300k 6.8%

$300k–$500k 30.9%

$500k–$1M 56.1%

$1M+ 2.7%

Housing overview

Metric	Value
Median home value	$542,200
Median rent / month	$2,404
Owner occupied	83.3%
Renter occupied	16.7%
Vacant	2.8%
Single-family detached	79.5%
Large apartment buildings	8.5%
Mobile homes	0.0%
Median rooms	6.5
Avg household size (owned)	2.91

Year built

Era	%
2020 or later	0.2%
2010–2019	4.2%
2000–2009	2.1%
1990–1999	4.4%
1980–1989	5.2%
1970–1979	11.0%
1960–1969	18.1%
1950–1959	37.5%
1940–1949	4.6%
1939 or earlier	12.7%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	6.8%
2 bedrooms	18.2%
3 bedrooms	42.6%
4 bedrooms	24.2%
5+ bedrooms	8.1%

Vehicles per household

Vehicles	% of households
No vehicle	6.7%
1 vehicle	25.1%
2 vehicles	31.9%
3 or more	36.3%

Heating fuel

Fuel type	%
Utility gas	35.8%
Electricity	12.0%
Propane / LP gas	1.9%
Fuel oil	47.3%
Wood	0.4%
Solar	0.5%

Households & families

Household type	Count	%
Married-couple family	2,711	53.4%
Cohabiting couple	320	6.3%
Male householder, no spouse	843	16.6%
Female householder, no spouse	1,201	23.7%
Households with children under 18	1,626	32.0%
Households with seniors (65+)	1,909	37.6%
Average household size	2.77

Marital status

Status	Male	Female
Never married	38.0%	32.0%
Married	49.7%	47.0%
Separated	0.0%	1.9%
Widowed	2.5%	9.7%
Divorced	9.8%	9.4%

Education

Less than 9th grade 2.5%

Some HS, no diploma 3.1%

HS graduate 27.4%

Some college, no degree 19.6%

Associate's degree 10.6%

Bachelor's degree 19.1%

Graduate / professional 17.7%

Metric	%
HS diploma or higher	94.4%
Bachelor's or higher	36.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	343	10.7%
Kindergarten	110	3.4%
Elementary school	1,130	35.3%
High school	848	26.5%
College / grad school	771	24.1%

Employment

Industry of employment

Education & healthcare 28.8%

Professional & management 12.4%

Arts, food & hospitality 9.8%

Retail trade 8.8%

Finance & real estate 8.6%

Construction 7.0%

Transportation & utilities 6.9%

Manufacturing 5.1%

Public administration 5.1%

Other services 3.2%

Wholesale trade 2.1%

Agriculture & mining 1.5%

Information 0.5%

Occupation

Category	%
Management, business & arts	53.2%
Service	11.9%
Sales & office	22.6%
Natural resources & construction	4.2%
Production & transportation	8.1%

Employment type

Type	%
Private sector	70.1%
Government	23.2%
Self-employed	6.6%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	80.9%
Carpool	6.0%
Public transit	3.4%
Walk	1.3%
Other means	0.0%
Avg commute (minutes)	30.5

Poverty

All people 3.6%

Under 18 years 2.2%

18 and over 4.0%

Married-couple families 1.7%

Female-led households 3.7%

Income support

Source	% of households
Social Security	39.6%
Retirement income	28.7%
Supplemental Security	4.5%
Cash public assistance	0.7%
Food stamps / SNAP	2.6%

Health indicators

Condition	%
High blood pressure	26.6%
High cholesterol	29.6%
Heart disease	4.9%
Stroke	2.2%
Asthma	9.2%
Arthritis	19.0%
Kidney disease	2.3%
Pulmonary disease	4.9%
Cancer	6.7%

Behavior / access	%
Binge drinking	19.0%
No physical activity	19.2%
Less than 7 hrs sleep	32.8%
Fair or poor health	8.9%
Poor mental health	12.8%
Poor physical health	7.7%
No health insurance	8.6%
Visited doctor (checkup)	78.1%
Visited dentist	72.8%
Cholesterol screening	92.6%
Teeth loss	9.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	462	4.1%

Disability	%
Any disability	10.2%
Under 18	3.2%
18–64 years	9.1%
65 and over	21.8%

Health insurance coverage

Type	%
Private insurance	84.2%
Public insurance	28.5%
Uninsured under 19	1.4%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	13,481	95.2%
Spanish	366	2.7%
Other Indo-European	211	1.6%
Asian & Pacific Islander	73	0.5%
Other languages	27	0.2%

Place of birth & citizenship

Origin	Count	%
Native born (US)	13,058	92.2%
Born in same state	12,902	91.1%
Born in different state	12,339	87.1%
Foreign born	156	1.1%
Naturalized citizen	1,110	7.8%
Not a US citizen	870	78.4%

Ancestry

Ancestry	Count	%
Italian	3,544	25%
Arab	807	5.7%
French	745	5.3%
Irish	105	0.7%
Polish	75	0.5%

Ancestry	Count	%
German	46	0.3%
English	21	0.1%
Dutch	14	0.1%
Norwegian	5	0%

Technology access

Metric	% of households
Computer access	35.8%
Internet access	93.1%

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

Frequently asked questions

What is the ZIP code for East Islip, NY?

East Islip, NY has one ZIP code: 11730.

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

The primary ZIP code for East Islip, NY is 11730. The city uses area code 631 for phone service.

What county is East Islip, NY in?

East Islip is located in Suffolk County, New York.

How many ZIP codes are in East Islip, NY?

East Islip, NY has 1 ZIP code.

What is the ZIP code for the East Islip Central School District area?

The East Islip Central School District, which serves the community, is located in ZIP code 11730.

What ZIP code covers the East Islip State Park and surrounding residential neighborhoods?

East Islip State Park and the neighborhoods surrounding this recreational area are within ZIP code 11730.