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NY area data

West Islip, NY

West Islip, NY.

Population: 25,379 (Census ACS)

The typical home value in West Islip, NY is $774,634 — up 5.0% over the past year. Homes sell for a median $855,000 after a median 21 days on market. Typical rent runs $2,458/month. 7 schools serve the area (NCES). FEMA's National Risk Index rates the county's overall natural-hazard risk Relatively High, with coastal flooding, ice storm, lightning the top-rated hazards. Cost of living is 7.9% above the US average (BEA, metro/state-level).

Backed by 25+ public sourcesFEMA · U.S. Census · NOAA · Dept. of Education · EPA · and more

$774,634

Typical home value

+5.0%

1-year change

21

Median days on market

Relatively High

Hazard risk (county)

Home values & appreciation

Typical home value
$774,634
1-year appreciation
+5.0%
3-year appreciation
+12.9%
5-year appreciation
+20.1%
10-year appreciation
+64.3%
Peak value since 2000 (Aug 2026)
$774,634
House Price Index (state)
437.3 (+3.5% YoY)

Sources: home value index (ZIP-level) · FHFA House Price Index (state-level)

Market activity

Median sale price
$855,000
Median list price
$749,999
Median price per sqft
$451
1-year sale-price change
+11.4%
Median days on market
21 days
Homes sold (recent period)
64
For-sale inventory
55
Sale-to-list ratio
104.1%
Active listings
28
1-year forecast
+4.1%
New listings (monthly)
23

Source: recent area sales and market data (ZIP-level)

Rents

Typical rent
$2,458/mo
Studio fair-market rent
$1,964/mo
1BR fair-market rent
$2,285/mo
2BR fair-market rent
$2,689/mo
3BR fair-market rent
$3,458/mo
4BR fair-market rent
$3,671/mo

Sources: market rent index (ZIP-level) · HUD Fair Market Rents (metro/county-level, 40th-percentile regulatory reference)

Affordability

Cost of living index (Above Average)
107.9 (100 = US avg)
Electricity rate (state-level)
26.4¢/kWh
Natural gas rate (state-level)
$17.60/MCF
30-year mortgage rate (national)
7.40%
15-year mortgage rate (national)
6.73%

Sources: BEA Regional Price Parities (metro/state-level) · EIA energy rates (state-level) · Freddie Mac PMMS (national)

Schools

Total schools
7
Elementary schools
4
Middle schools
2
High schools
1
Avg student-teacher ratio
10.6 : 1
Schools include
BAYVIEW ELEMENTARY SCHOOL, BEACH STREET MIDDLE SCHOOL, MANETUCK ELEMENTARY SCHOOL, OQUENOCK ELEMENTARY SCHOOL, PAUL J BELLEW ELEMENTARY SCHOOL

Source: NCES school directory, 2024-25 (school-address-based)

Natural hazards & flood risk

Overall hazard risk (county)
Relatively High
Top hazards (county)
coastal flooding, ice storm, lightning, winter weather, cold wave
Notable hazard ratings (county)
ice storm: Very High · lightning: Very High · winter weather: Very High · coastal flooding: Very High · cold wave: Relatively High · hurricane: Relatively High
Most common flood zone among NFIP claims
Zone AE
NFIP flood claims on record
1,533
Wildfire risk to homes (county)
Higher than 35% of US counties
Buildings in wildfire direct-exposure zone
31.3%
Radon potential (county)
Low radon potential — EPA Zone 3 of 3
EPA Superfund (NPL) sites within 5 mi
None
Nearest Superfund site
Preferred Plating Corp. (6.8 mi)
Flood zones vary by property. Look up a specific address on the FEMA Flood Map Service Center.
EPA recommends radon testing for every home regardless of zone.

Sources: FEMA National Risk Index (county-level) · FEMA NFIP flood-insurance claims (ZIP-level) · USDA Forest Service Wildfire Risk to Communities (county-level) · EPA radon zones + Superfund NPL

Climate (30-year normals)

Average annual temperature
53.0°F
Average high
61.0°F
Average low
46.0°F
Annual precipitation
48.6 in
Annual snowfall
25.5 in
USDA plant hardiness zone
7b (extreme annual low 5 to 10°F)

Sources: NOAA Climate Normals (30-year, nearest-station) · USDA Plant Hardiness Zone Map (2023)

Air quality

Air quality rating
Good
Median AQI (annual)
41
Days with Good air quality
265
Days with Moderate air quality
95
Days with Unhealthy air quality
2
Highest AQI recorded (year)
154

Source: EPA annual air quality index (county-level)

Walkability & transit

Walkability index
8.7 / 20
Transit service frequency
-99,999
Jobs reachable by car (30 min)
201,602
Jobs reachable by transit (45 min)
232,941

Source: EPA Smart Location Database (metropolitan block groups)

Amenities

National parks within ~60 mi
19
Nearest national park
Fire Island National Seashore (16 mi)
National parks include
Fire Island National Seashore, Sagamore Hill National Historic Site, Saint Paul's Church National Historic Site
Airports within 30 mi
8
Nearest airport
Republic Airport (FRG) (6 mi)
Nearest major airport
Republic Airport (FRG) (6 mi)
Hospitals in or near this ZIP
1
Hospitals include
GOOD SAMARITAN HOSPITAL MEDICAL CENTER
Avg hospital rating (CMS)
3.0 / 5
Best hospital rating nearby (CMS)
3.0 / 5
Solar radiation rating
Fair (4.0 kWh/m²/day)

Sources: National Park Service · FAA airport data · CMS hospital data (same ZIP, else within ~40 mi) · DOE/NREL (proximity-based)

Migration

Net migration (county)
-5,821 tax filers

Source: IRS SOI county-to-county migration (county-level; published with a multi-year lag)

Housing stock

Median year housing built
1961
Housing built before 1970
74.2%
Housing built 2000 or later
5.2%
Median annual property tax
$10,001
Mean commute to work
26 min
Households with broadband internet
87.1%

Source: Census ACS 5-year estimates (ZIP-level)

Employment & development

Total county employment
580,232
Average weekly wage
$1,491
Top industries (by employment)
Health Care, Accommodation & Food, Administrative Services
Annual residential building permits (county)
1,399

Sources: BLS QCEW (county-level) · Census Building Permits (county-level)

How it compares

West IslipState medianUS median
Typical home value$774,634$332,107$288,527
Median sale price$855,000$363,950$325,000
Median days on market21 days55 days51 days
Typical rent$2,458/mo$2,700/mo$1,809/mo
Median annual property tax$10,001$4,500$2,006

State and US medians are computed across all US ZIP codes with sufficient public-data coverage, from the same sources as the figures above.

Area data compiled from public government, academic, and industry research feeds. Data sources →

Common questions

What is the typical home value in West Islip, NY?
$774,634.
What is the median sale price in West Islip, NY?
$855,000.
How long do homes take to sell in West Islip, NY?
Median days on market: 21 days.
What is typical rent in West Islip, NY?
Typical rent: $2,458/month.
What is the natural-hazard risk in West Islip, NY?
Overall risk: Relatively High (FEMA NRI, county-level). Top hazards: coastal flooding, ice storm, lightning, winter weather, cold wave.
Is West Islip, NY in a flood zone?
Flood zones vary by property within West Islip, NY. 1,533 FEMA flood-insurance (NFIP) claims are on record; the most common zone among them is AE. Check a specific address on the FEMA Flood Map Service Center.
What is the wildfire risk in West Islip, NY?
Risk to homes is higher than 35% of US counties (USDA Forest Service Wildfire Risk to Communities, county-level).
What is the radon potential in West Islip, NY?
Low radon potential — EPA Zone 3 of 3, county-level. EPA recommends testing every home regardless of zone.
Are there Superfund sites near West Islip, NY?
No current or proposed National Priorities List sites within 5 miles (EPA).
How many schools serve West Islip, NY?
7 schools (4 elementary, 2 middle, 1 high) (NCES, 2024-25).
Is West Islip, NY walkable?
Walkability index: 8.7/20 (EPA Smart Location Database).
What is the air quality in West Islip, NY?
Good. Median AQI: 41. (EPA AQI).
What is the cost of living in West Islip, NY?
Regional Price Parity: 107.9 (100 = US average) (Above Average) (BEA RPP, metro/state-level).

ZIP code for West Islip

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Data last updated

Most recent source refresh: Oct 2026. See all data sources →

Data compiled by REAIGENT7 — AI listing platform for real estate agents