West Islip ZIP Code List — Suffolk County, NY

There is one unique ZIP code in West Islip, New York and it is 11795. Area code: 631.

ZIP codes

5.69

sq mi land

0.46

sq mi water

631

area code

West Islip, NY ZIP code map

About West Islip, NY

West Islip, New York, is a charming suburban community located on Long Island in Suffolk County. Known for its family-friendly environment and scenic landscapes, West Islip boasts a blend of residential areas and recreational spaces. The area provides residents with a relaxed lifestyle while being conveniently located near more bustling towns.

Location & geography

West Islip is situated approximately 45 miles east of New York City, making it an attractive locale for commuters. Nearby cities include Babylon to the northwest, approximately 3 miles away, and Islip to the east, around 2 miles away. The total land area of West Islip is 5.69 square miles, with an additional 0.46 square miles of water that features beautiful views and opportunities for water-based activities.

Community & economy

The character of West Islip is defined by its close-knit community and suburban charm, making it an excellent place to live for families and professionals alike. The local economy is supported by various small businesses, retail shops, and services, creating a vibrant commercial environment. Daily life here often revolves around community events, reputable schools, and the abundant parks that provide residents with recreational activities.

Transportation

West Islip is conveniently accessible via major roadways, including the Southern State Parkway and the Long Island Expressway, which connect residents to the rest of the region. The nearest airport is Long Island MacArthur Airport, located about 10 miles to the northeast. Public transit options are available through the Long Island Rail Road, with service to nearby stations for easy commuting.

History

West Islip was founded in the early 20th century as part of the agricultural expansion on Long Island, with railroads playing a crucial role in its development. Over the years, it transitioned into a suburban community, marked by single-family homes and local businesses. Notable events in its history include the growth of waterfront attractions and the establishment of parks that enhance the area's appeal.

Did you know?

A surprising fact about West Islip is that its waterfront areas provide stunning views of the Great South Bay, attracting outdoor enthusiasts and nature lovers. Additionally, the community has a strong emphasis on preservation, with several initiatives aimed at maintaining its green spaces and natural beauty.

ZIP codes for West Islip, NY (1)

ZIP code	City	County	Map
11795	West Islip	Suffolk	View map

Demographics & statistics

25,650

Population

40.5

Median age

$161,533

Median household income

$62,359

Per capita income

$554,300

Median home value

$2,392

Median monthly rent

96.8%

Home ownership

2.8%

Poverty rate

4.3%

Unemployment

8,057

Housing units

46.6%

Bachelor's or higher

Age distribution

Male Female

746

Under 5

663

640

5–9

569

804

10–14

716

1,005

15–19

895

1,098

20–24

976

1,672

25–34

1,488

1,510

35–44

1,343

2,087

45–54

1,856

1,093

55–59

973

1,003

60–64

893

1,150

65–74

1,024

587

75–84

523

178

85+

158

← Male

Female →

Age summary

Group	Count	%
Under 18	5,304	20.7%
18 and over	20,346	79.3%
65 and over	3,620	14.1%
Median age	40.5 years

Race & ethnicity

White 82.9%

Two or more races 7.7%

Hispanic or Latino 5.4%

Asian 2.2%

Other race 1%

Black or African American 0.7%

Group	Count	%
White	22,498	82.9%
Two or more races	2,087	7.7%
Hispanic or Latino	1,473	5.4%
Asian	595	2.2%
Other race	280	1%
Black or African American	177	0.7%

Household income

Under $10k 0.6%

$10k–$15k 0.7%

$15k–$25k 1.1%

$25k–$35k 2.3%

$35k–$50k 3.0%

$50k–$75k 9.7%

$75k–$100k 9.0%

$100k–$150k 18.9%

$150k–$200k 17.5%

$200k+ 37.2%

Range	% of households
Under $10k	0.6%
$10k–$15k	0.7%
$15k–$25k	1.1%
$25k–$35k	2.3%
$35k–$50k	3.0%
$50k–$75k	9.7%
$75k–$100k	9.0%
$100k–$150k	18.9%
$150k–$200k	17.5%
$200k+	37.2%
Median income	$161,533

Housing

Home values

Under $50k 0.1%

$50k–$100k 0.9%

$100k–$150k 0.2%

$150k–$200k 0.5%

$200k–$300k 3.1%

$300k–$500k 36.0%

$500k–$1M 53.3%

$1M+ 6.0%

Housing overview

Metric	Value
Median home value	$554,300
Median rent / month	$2,392
Owner occupied	96.8%
Renter occupied	3.2%
Vacant	1.7%
Single-family detached	97.2%
Large apartment buildings	0.0%
Mobile homes	0.1%
Median rooms	7.3
Avg household size (owned)	3.12

Year built

Era	%
2020 or later	0.1%
2010–2019	2.2%
2000–2009	3.2%
1990–1999	3.0%
1980–1989	4.0%
1970–1979	11.4%
1960–1969	29.5%
1950–1959	37.4%
1940–1949	4.3%
1939 or earlier	5.0%

Bedrooms

Size	% of units
No bedroom (studio)	0.3%
1 bedroom	2.2%
2 bedrooms	6.1%
3 bedrooms	41.5%
4 bedrooms	38.4%
5+ bedrooms	11.4%

Vehicles per household

Vehicles	% of households
No vehicle	1.8%
1 vehicle	17.5%
2 vehicles	47.3%
3 or more	33.4%

Heating fuel

Fuel type	%
Utility gas	52.4%
Electricity	3.7%
Propane / LP gas	1.1%
Fuel oil	41.8%
Wood	0.7%
Solar	0.1%

Households & families

Household type	Count	%
Married-couple family	5,645	69.0%
Cohabiting couple	368	4.5%
Male householder, no spouse	836	10.2%
Female householder, no spouse	1,327	16.2%
Households with children under 18	3,026	37.0%
Households with seniors (65+)	2,476	30.3%
Average household size	3.10

Marital status

Status	Male	Female
Never married	36.1%	27.4%
Married	55.5%	56.1%
Separated	0.4%	1.6%
Widowed	1.9%	7.6%
Divorced	6.0%	7.3%

Education

Less than 9th grade 1.7%

Some HS, no diploma 2.1%

HS graduate 21.8%

Some college, no degree 16.1%

Associate's degree 11.6%

Bachelor's degree 24.4%

Graduate / professional 22.2%

Metric	%
HS diploma or higher	96.2%
Bachelor's or higher	46.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	295	4.8%
Kindergarten	155	2.5%
Elementary school	2,092	34.2%
High school	1,550	25.3%
College / grad school	2,025	33.1%

Employment

Industry of employment

Education & healthcare 30.6%

Retail trade 10.6%

Finance & real estate 10.5%

Professional & management 10.3%

Transportation & utilities 9.2%

Arts, food & hospitality 6.6%

Public administration 5.8%

Construction 5.7%

Manufacturing 4.8%

Other services 2.4%

Wholesale trade 2.2%

Information 1.3%

Occupation

Category	%
Management, business & arts	47.0%
Service	14.9%
Sales & office	21.3%
Natural resources & construction	6.5%
Production & transportation	10.3%

Employment type

Type	%
Private sector	75.0%
Government	22.0%
Self-employed	3.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	74.0%
Carpool	6.6%
Public transit	6.2%
Walk	0.4%
Other means	1.0%
Avg commute (minutes)	31.7

Poverty

All people 2.8%

Under 18 years 1.5%

18 and over 3.1%

Married-couple families 1.1%

Female-led households 2.5%

Income support

Source	% of households
Social Security	30.3%
Retirement income	31.0%
Supplemental Security	2.5%
Cash public assistance	1.2%
Food stamps / SNAP	3.0%

Health indicators

Condition	%
High blood pressure	27.1%
High cholesterol	30.3%
Heart disease	5.0%
Stroke	2.2%
Asthma	9.3%
Arthritis	19.5%
Kidney disease	2.4%
Pulmonary disease	5.0%
Cancer	6.9%

Behavior / access	%
Binge drinking	18.8%
No physical activity	19.1%
Less than 7 hrs sleep	32.7%
Fair or poor health	9.0%
Poor mental health	12.8%
Poor physical health	7.8%
No health insurance	8.3%
Visited doctor (checkup)	78.4%
Visited dentist	72.9%
Cholesterol screening	92.8%
Teeth loss	9.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	755	3.7%

Disability	%
Any disability	7.3%
Under 18	1.8%
18–64 years	5.8%
65 and over	22.6%

Health insurance coverage

Type	%
Private insurance	87.4%
Public insurance	21.6%
Uninsured under 19	2.4%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	24,241	94.5%
Spanish	632	2.6%
Other Indo-European	63	0.3%
Asian & Pacific Islander	301	1.2%
Other languages	249	1.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	24,045	93.7%
Born in same state	23,934	93.3%
Born in different state	22,476	87.6%
Foreign born	111	0.4%
Naturalized citizen	1,605	6.3%
Not a US citizen	1,312	81.7%

Ancestry

Ancestry	Count	%
Italian	6,393	24.9%
French	1,402	5.5%
Arab	782	3%
Polish	250	1%
English	151	0.6%

Ancestry	Count	%
Irish	116	0.5%
Norwegian	46	0.2%
Dutch	46	0.2%
German	41	0.2%

Technology access

Metric	% of households
Computer access	31.9%
Internet access	98.6%

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

Frequently asked questions

What is the ZIP code for West Islip, NY?

West Islip, NY has one ZIP code: 11795.

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

The primary ZIP code for West Islip, NY is 11795. The city uses area code 631 for phone service.

What county is West Islip, NY in?

West Islip is located in Suffolk County, New York.

How many ZIP codes are in West Islip, NY?

West Islip, NY has 1 ZIP code.

What is the ZIP code for West Islip's downtown area along Udall Road?

The downtown area of West Islip, including the commercial district along Udall Road, is located in ZIP code 11795.

What ZIP code covers the residential neighborhoods around West Islip High School?

West Islip High School and the surrounding residential neighborhoods are served by ZIP code 11795, which encompasses the entire West Islip community in Suffolk County.