Central Islip ZIP Code List — Suffolk County, NY

There is one unique ZIP code in Central Islip, New York and it is 11722. Area code: 631/516.
1
ZIP codes
6.97
sq mi land
0.00
sq mi water
631/516
area code
Central Islip, NY ZIP code map

About Central Islip, NY

Central Islip, NY, is a vibrant community located in Suffolk County. This city offers a unique blend of suburban charm and accessibility. With a rich history and diverse population, Central Islip is a great place to call home.

Location & geography

Central Islip is situated in the central part of Long Island, New York. It is approximately 5 miles from the nearby city of Islip and about 7 miles from Ronkonkoma. The total land area of Central Islip covers 6.97 square miles, with no water area.

Community & economy

The character of Central Islip reflects a diverse and engaging community, home to a mix of families and professionals. The local economy is supported by various industries, including retail, healthcare, and education. Daily life in Central Islip often revolves around community events, local parks, and nearby shopping centers.

Transportation

Central Islip is conveniently located near major highways such as the Long Island Expressway (I-495) and Sunrise Highway (NY-27), facilitating easy travel across Long Island. The nearest airports include Long Island MacArthur Airport, which is about 7 miles away. Public transit options are also available, including the Long Island Rail Road that connects residents to New York City.

History

Central Islip was founded in the 17th century, serving as an agricultural community before rapidly evolving in the 20th century. Key industries have included healthcare and retail, alongside the influence of the nearby Central Islip Psychiatric Center, which was established in the early 1900s. Over the years, the city has seen significant development and growth.

Did you know?

One surprising fact about Central Islip is its historical significance as the home of the Central Islip Psychiatric Center, which played a crucial role in mental health treatment in New York. Additionally, the city is known for its diverse population, reflecting a variety of cultures and backgrounds.

ZIP codes for Central Islip, NY (1)
ZIP code City County Map
11722 Central Islip Suffolk View map

Demographics & statistics

37,032
Population
34.4
Median age
$100,387
Median household income
$33,005
Per capita income
$365,800
Median home value
$2,120
Median monthly rent
74.6%
Home ownership
10.6%
Poverty rate
4.6%
Unemployment
8,158
Housing units
18.6%
Bachelor's or higher

Age distribution

Male Female
1,243
Under 5
1,190
983
5–9
941
1,431
10–14
1,369
1,848
15–19
1,769
1,336
20–24
1,278
2,753
25–34
2,635
2,854
35–44
2,732
2,394
45–54
2,290
1,118
55–59
1,070
941
60–64
900
1,201
65–74
1,150
687
75–84
658
133
85+
128
← Male
Female →

Age summary

GroupCount%
Under 188,99824.3%
18 and over28,03475.7%
65 and over3,95710.7%
Median age34.4 years

Race & ethnicity

Hispanic or Latino 28.5%
White 25.8%
Other race 16.8%
Black or African American 14.4%
Two or more races 12.8%
Asian 1.4%
American Indian / Alaska Native 0.2%
GroupCount%
Hispanic or Latino14,77728.5%
White13,34825.8%
Other race8,68816.8%
Black or African American7,48114.4%
Two or more races6,64712.8%
Asian7371.4%
American Indian / Alaska Native1100.2%

Household income

Under $10k 2.7%
$10k–$15k 4.0%
$15k–$25k 6.0%
$25k–$35k 3.9%
$35k–$50k 6.4%
$50k–$75k 15.4%
$75k–$100k 11.4%
$100k–$150k 23.4%
$150k–$200k 13.7%
$200k+ 13.2%
Range% of households
Under $10k2.7%
$10k–$15k4.0%
$15k–$25k6.0%
$25k–$35k3.9%
$35k–$50k6.4%
$50k–$75k15.4%
$75k–$100k11.4%
$100k–$150k23.4%
$150k–$200k13.7%
$200k+13.2%
Median income$100,387

Housing

Home values

Under $50k 3.4%
$50k–$100k 0.7%
$100k–$150k 0.3%
$150k–$200k 2.9%
$200k–$300k 20.1%
$300k–$500k 61.8%
$500k–$1M 10.1%
$1M+ 0.8%

Housing overview

MetricValue
Median home value$365,800
Median rent / month$2,120
Owner occupied74.6%
Renter occupied25.4%
Vacant7.5%
Single-family detached68.5%
Large apartment buildings4.4%
Mobile homes0.3%
Median rooms5.7
Avg household size (owned)3.99

Year built

Era%
2020 or later0.4%
2010–20192.3%
2000–20096.5%
1990–199912.9%
1980–19897.6%
1970–197918.9%
1960–196920.8%
1950–195922.6%
1940–19495.8%
1939 or earlier2.1%

Bedrooms

Size% of units
No bedroom (studio)2.0%
1 bedroom12.4%
2 bedrooms18.5%
3 bedrooms35.1%
4 bedrooms20.1%
5+ bedrooms11.9%

Vehicles per household

Vehicles% of households
No vehicle10.9%
1 vehicle26.5%
2 vehicles30.5%
3 or more32.1%

Heating fuel

Fuel type%
Utility gas51.3%
Electricity11.5%
Propane / LP gas1.8%
Fuel oil34.0%
No fuel used0.8%

Households & families

Household typeCount%
Married-couple family3,90139.5%
Cohabiting couple1,03610.5%
Male householder, no spouse1,81118.4%
Female householder, no spouse3,11631.6%
Households with children under 183,61936.7%
Households with seniors (65+)3,17232.2%
Average household size3.73

Marital status

StatusMaleFemale
Never married50.4%44.2%
Married35.7%32.5%
Separated2.7%2.7%
Widowed1.1%6.2%
Divorced10.1%14.5%

Education

Less than 9th grade 14.5%
Some HS, no diploma 10.3%
HS graduate 31.7%
Some college, no degree 17.9%
Associate's degree 7.0%
Bachelor's degree 11.6%
Graduate / professional 7.0%
Metric%
HS diploma or higher75.2%
Bachelor's or higher18.6%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool3343.6%
Kindergarten4675.0%
Elementary school3,60938.6%
High school2,51826.9%
College / grad school2,42325.9%

Employment

Industry of employment

Education & healthcare 25.9%
Professional & management 12.2%
Retail trade 11.5%
Manufacturing 9.9%
Construction 8.7%
Transportation & utilities 7.3%
Arts, food & hospitality 7.3%
Finance & real estate 4.1%
Public administration 4.1%
Other services 3.7%
Wholesale trade 3.5%
Information 1.3%
Agriculture & mining 0.5%

Occupation

Category%
Management, business & arts23.8%
Service26.3%
Sales & office20.5%
Natural resources & construction9.2%
Production & transportation20.1%

Employment type

Type%
Private sector81.4%
Government14.8%
Self-employed3.8%
Unpaid family workers0.1%

Commute

Method%
Drive alone75.1%
Carpool12.8%
Public transit3.0%
Walk1.0%
Other means1.3%
Avg commute (minutes)28.3

Poverty

All people 10.6%
Under 18 years 10.1%
18 and over 10.8%
Married-couple families 3.5%
Female-led households 15.0%

Income support

Source% of households
Social Security32.3%
Retirement income20.9%
Supplemental Security7.6%
Cash public assistance4.8%
Food stamps / SNAP14.2%

Health indicators

Condition%
High blood pressure27.8%
High cholesterol26.5%
Heart disease4.5%
Stroke2.6%
Asthma10.2%
Arthritis16.5%
Kidney disease2.6%
Pulmonary disease4.9%
Cancer4.3%
Behavior / access%
Binge drinking17.3%
No physical activity30.1%
Less than 7 hrs sleep38.8%
Fair or poor health15.6%
Poor mental health15.0%
Poor physical health9.8%
No health insurance22.0%
Visited doctor (checkup)76.8%
Visited dentist57.3%
Cholesterol screening88.8%
Teeth loss15.7%

Veterans & disability

VeteransCount%
Civilian veterans7242.6%
Disability%
Any disability9.2%
Under 183.7%
18–64 years7.5%
65 and over32.1%

Health insurance coverage

Type%
Private insurance61.5%
Public insurance37.3%
Uninsured under 197.4%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only34,59993.4%
Spanish8,54824.7%
Other Indo-European7,76522.4%
Asian & Pacific Islander6091.8%
Other languages980.3%

Place of birth & citizenship

OriginCount%
Native born (US)24,05365.0%
Born in same state22,58561.0%
Born in different state20,24454.7%
Foreign born1,4684.0%
Naturalized citizen12,97935.0%
Not a US citizen6,30648.6%

Ancestry

AncestryCount%
Arab1,6754.5%
Italian1,3223.6%
French2540.7%
Irish1320.4%
AncestryCount%
German1010.3%
Polish320.1%
English180%
Dutch140%

Technology access

Metric% of households
Computer access26.6%
Internet access93.8%

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

Frequently asked questions
What is the ZIP code for Central Islip, NY?
Central Islip, NY has one ZIP code: 11722.
What is the main ZIP code for Central Islip, NY?
The primary ZIP code for Central Islip, NY is 11722. The city uses area code 631 or 516 for phone service.
What county is Central Islip, NY in?
Central Islip is located in Suffolk County, New York.
How many ZIP codes are in Central Islip, NY?
Central Islip, NY has 1 ZIP code.
What ZIP code should I use when mailing a package to a business located in Central Islip's downtown commercial district?
All addresses in Central Islip's downtown commercial area use the ZIP code 11722, which is the sole ZIP code serving the entire city.
If I'm sending mail to Central Islip Hospital, which is a major landmark in Central Islip, what ZIP code do I need?
Central Islip Hospital and all other locations within Central Islip use ZIP code 11722.
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