Postal Codes

11722 ZIP Code

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ZIP code 11722 covers Central Islip, New York, with a population of about 38,443 and a median household income of $110,365.

Population
38,4435,517 per square mile
Median age
34.14.6 points below the US average
Median household income
$110,3651.3× the New York median
Poverty rate
9.3%3.1 points below the US average
Typical home value
$578,597up 26.7% in five years
Median rent
$2,0941.3× the New York median
Degree or higher
18.4%16.6 points below the US average
Homeownership
77%12 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
602

Where 11722 is

Central Islip, New York — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population38,443
Median age34.1
Family households72%
Born outside the US37.4%
Speaks a language other than English at home60%
White (non-Hispanic)16.1%
Black (non-Hispanic)17.5%
Asian (non-Hispanic)1.8%
Hispanic or Latino61.3%
Veterans2.7%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$110,365
Income per person$33,215
Poverty rate9.3%
Households on SNAP or cash assistance16.9%

Household income distribution

Under $10k2.5%
$10–15k2.2%
$15–20k3.8%
$20–25k2.6%
$25–30k2.7%
$30–35k0.5%
$35–40k2.1%
$40–45k1.0%
$45–50k1.8%
$50–60k7.6%
$60–75k8.3%
$75–100k11.1%
$100–125k11.2%
$125–150k13.1%
$150–200k13.8%
$200k or more15.7%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed21,020
Mean adjusted gross income$52,586
Returns declaring $200,000 or more1.3%
Returns, under $25k29.4%
Returns, $25k–$50k30.7%
Returns, $50k–$75k17.8%
Returns, $75k–$100k9.8%
Returns, $100k–$200k10.8%
Returns, $200k or more1.3%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$407,100
Median gross rent$2,094
Rent as a share of household income39.8%
Owner-occupied77%
Vacant homes8.7%
Median year built1969

What the homes are

Detached house67.3%
Attached house14.2%
2 to 4 units5.2%
5 to 19 units8.2%
20 or more units4.9%
Mobile home0.2%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$578,597as of 2026-07
Typical home value, 1 yearup 6.3%
Typical home value, 5 yearsup 26.7%
Typical home value, 10 yearsup 111.8%
Typical asking rent$3,110as of 2026-07
Typical home value since 2000
200020132026$578,597$137,860

$137,860 in 2000 to $578,597 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate5.7%
Bachelor's degree or higher18.4%
High school diploma or higher77.2%
Works from home6.7%
Drives to work alone74.8%
Takes public transport3%
Commutes 45 minutes or more15.1%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity35.1% 1.7 pts above the national average of 33.4%
Diagnosed diabetes12% same as the national average of 12%
Currently smokes11.5% 1.7 pts below the national average of 13.2%
High blood pressure31% 3.1 pts below the national average of 34.1%
Fair or poor general health22.6% 2.3 pts above the national average of 20.3%
No health insurance (18–64)16.2% 4.9 pts above the national average of 11.3%
Depression14.7% 7.2 pts below the national average of 21.9%
No leisure-time physical activity33.1% 7.7 pts above the national average of 25.4%
Arthritis20.1% 5 pts below the national average of 25.1%
Binge drinking15.6% same as the national average of 16%
Taking blood pressure medication73.5% 1.2 pts below the national average of 74.7%
Cancer (non-skin)5.1% 2.6 pts below the national average of 7.7%
Current asthma10.5% same as the national average of 10.4%
Coronary heart disease5.1% 1.1 pts below the national average of 6.2%
Routine check-up in past year78.8% 2.1 pts above the national average of 76.7%
Cholesterol screening87.3% 1.4 pts above the national average of 85.9%
Cognitive disability14.8% same as the national average of 14.8%
Colorectal screening59.7% 4.6 pts below the national average of 64.3%
COPD5.1% 1.5 pts below the national average of 6.6%
Visited a dentist54.1% 7.2 pts below the national average of 61.3%
Any disability30.9% same as the national average of 30.7%
Lacks emotional support30.4% 5.6 pts above the national average of 24.8%
Food insecurity25.8% 8.7 pts above the national average of 17.1%
Received food stamps19.3% 5 pts above the national average of 14.3%
Hearing disability4.7% 2 pts below the national average of 6.7%
High cholesterol36.4% same as the national average of 36.2%
Housing insecurity22.5% 8.7 pts above the national average of 13.8%
Independent living disability8.3% same as the national average of 8.4%
Lacks transport11.8% 2.6 pts above the national average of 9.2%
Loneliness34.1% same as the national average of 34.4%
Mammography use77.9% 2 pts above the national average of 75.9%
Poor mental health (14+ days)16.3% 0.5 pts below the national average of 16.8%
Mobility disability14.3% same as the national average of 14%
Poor physical health (14+ days)13.8% same as the national average of 13.5%
Self-care disability4.3% same as the national average of 4%
Utility shut-off threat11.4% 2.6 pts above the national average of 8.8%
Sleeps under 7 hours44.5% 8.1 pts above the national average of 36.4%
Stroke3.1% same as the national average of 3.4%
All natural teeth lost13.9% 0.9 pts above the national average of 13%
Vision disability6.6% 1 pts above the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments602
People employed5,723
Annual payroll$294,871,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 14.8% of US census tracts
FEMA ratingVery Low to Relatively Low across the 12 census tracts this ZIP code covers
Expected annual loss10.7 out of 100
Community resilience90.9 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Hurricane74.6Relatively Moderate at its worst in this ZIP code
Winter weather69.2Relatively High at its worst in this ZIP code
Earthquake54Relatively Low at its worst in this ZIP code
Ice storm53.2Relatively Moderate at its worst in this ZIP code
Strong wind50.9Relatively Moderate at its worst in this ZIP code
Cold wave45.3Relatively Moderate at its worst in this ZIP code
Lightning43.9Relatively Moderate at its worst in this ZIP code
Landslide41.9Very Low at its worst in this ZIP code
Heat wave29.2Relatively Low at its worst in this ZIP code
Wildfire28.3Relatively Low at its worst in this ZIP code
River flooding25.7Relatively Moderate at its worst in this ZIP code
Tornado16.1Relatively Low at its worst in this ZIP code
Coastal flooding12Very Low at its worst in this ZIP code
Hail9.1Very Low at its worst in this ZIP code
Compared with New York and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPNew YorkUnited States
Median household income$110,365$84,578$78,538
Income per person$33,215$49,520$43,289
Poverty rate9.3%13.7%12.4%
Median home value$407,100$403,000$303,400
Median gross rent$2,094$1,576$1,348
Homeownership77%54.3%65%
Bachelor's degree or higher18.4%39.6%35%
Unemployment rate5.7%6.2%5.2%
Works from home6.7%13.3%13.5%
Born outside the US37.4%22.6%13.9%
Median age34.139.638.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationISLIP LI MACARTHUR AP, NY US8 km away
Rain in a year46 in
Snow in a year32 in

Average high and low by month

January39.2°F / 24.6°F3.66 in rain, 10.3 in snow
February41°F / 25.5°F3.29 in rain, 9.4 in snow
March47.7°F / 32°F4.51 in rain, 6.5 in snow
April58.3°F / 41.2°F4.06 in rain, 0.6 in snow
May68.3°F / 50.8°F3.28 in rain
June77.2°F / 60.9°F4 in rain
July82.8°F / 67.3°F3.26 in rain
August81.4°F / 66°F4.24 in rain
September74.8°F / 58.9°F3.6 in rain
October64.1°F / 47.3°F3.97 in rain
November53.6°F / 37.6°F3.41 in rain, 0.5 in snow
December44.4°F / 29.8°F4.71 in rain, 4.5 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarket37% of this ZIP code's area
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

Central Islip Union Free School District96% of this ZIP code's land area
Islip Union Free School District3.3% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability65more vulnerable than 65% of US census tracts
Socioeconomic status53more vulnerable than 53% of US census tracts
Household characteristics56more vulnerable than 56% of US census tracts
Racial and ethnic minority status80more vulnerable than 80% of US census tracts
Housing type and transport64more vulnerable than 64% of US census tracts
Walkability8.1 out of 20Below average
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

11749 Islandia, NY3.1 km away
11752 Islip Terrace, NY3.7 km away
11788 Hauppauge, NY4.1 km away
11717 Brentwood, NY4.6 km away
11779 Ronkonkoma, NY6 km away
11751 Islip, NY6.2 km away
11730 East Islip, NY6.6 km away
11739 Great River, NY7 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Suffolk County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area6.97 sq mi
Population density5,517 people per sq mi
Latitude, longitude40.7866, -73.1961

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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