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NY area data

Islip, NY

Islip, NY.

Population: 13,726 (Census ACS)

The median home value in Islip, NY is $671,396 — up 4.4% over the past year. Homes sell for a median $750,000 after a median 37 days on market. 5 schools serve the area (NCES). FEMA's National Risk Index rates the county's overall natural-hazard risk Relatively High, with coastalflooding, icestorm, lightning the top-rated hazards. Cost of living is 15.5% above the US average (BEA, metro/state-level).

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

$671,396

Median home value

+4.4%

1-year change

37

Median days on market

Relatively High

Hazard risk (county)

Home values & appreciation

Median home value
$671,396
1-year appreciation
+4.4%
3-year appreciation
+15.4%
5-year appreciation
+22.7%
10-year appreciation
+73.6%
All-time peak (2026-07)
$671,396
House Price Index (state)
420.6 (+5.3% YoY)

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

Market activity

Median sale price
$750,000
Median list price
$662,500
Median price per sqft
$444
1-year sale-price change
+12.8%
Median days on market
37 days
Homes sold (recent period)
23
For-sale inventory
39
Sale-to-list ratio
104.0%
Active listings
15
1-year forecast
+2.9%
New listings (monthly)
16

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

Rents

Studio fair-market rent
$1,102/mo
1BR fair-market rent
$1,377/mo
2BR fair-market rent
$1,681/mo
3BR fair-market rent
$2,185/mo
4BR fair-market rent
$2,521/mo

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

Affordability

Cost of living index (High)
115.5 (100 = US avg)
Electricity rate (state-level)
26.4¢/kWh
Natural gas rate (state-level)
$17.60/MCF
30-year mortgage rate (national)
6.66%
15-year mortgage rate (national)
6.00%

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

Schools

Total schools
5
Elementary schools
3
Middle schools
1
High schools
1
Schools include
WING ELEMENTARY SCHOOL, COMMACK ROAD ELEMENTARY SCHOOL, ISLIP HIGH SCHOOL, ISLIP MIDDLE SCHOOL, MAUD S SHERWOOD ELEMENTARY SCHOOL

Source: NCES school directory, 2022-23 (school-address-based)

Natural hazards & flood risk

Overall hazard risk (county)
Relatively High
Top hazards (county)
coastalFlooding, iceStorm, lightning, winterWeather, coldWave
Notable hazard ratings (county)
coastalFlooding: Very High · coldWave: Relatively High · earthquake: Relatively Moderate · hail: Relatively Low · heatWave: Relatively Moderate · hurricane: Relatively High
FEMA flood zone
X
Flood risk level
Minimal
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
1
Nearest Superfund site
MacKenzie Chemical Works, Inc. (4.1 mi)
EPA recommends radon testing for every home regardless of zone.

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

Climate (30-year normals)

Average annual temperature
54.0°F
Average high
60.0°F
Average low
48.0°F
Annual precipitation
50.3 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
278
Days with Moderate air quality
74
Days with Unhealthy air quality
2
Highest AQI recorded (year)
195

Source: EPA air quality data (nearest monitoring station, annual)

Walkability & transit

Walkability index
15.2 / 20
Transit service frequency
463
Jobs reachable by car (30 min)
174,743
Jobs reachable by transit (45 min)
209,864

Source: EPA Smart Location Database (metropolitan block groups)

Amenities

National parks within ~60 mi
19
Nearest national park
Fire Island National Seashore (11 mi)
National parks include
Fire Island National Seashore, Sagamore Hill National Historic Site, Saint Paul's Church National Historic Site
Airports within 30 mi
7
Nearest airport
Long Island MacArthur Airport (ISP) (7 mi)
Nearest major airport
Long Island MacArthur Airport (ISP) (7 mi)
Hospitals nearby (~15 mi)
15
Hospitals include
NASSAU UNIVERSITY MEDICAL CENTER, NS/LIJ HS SOUTHSIDE HOSPITAL, NS/LIJ HS HUNTINGTON HOSPITAL
Avg hospital rating (CMS)
3.4 / 5
Best hospital rating nearby (CMS)
5.0 / 5
Solar radiation rating
Fair (4.0 kWh/m²/day)

Sources: National Park Service · FAA airport data · CMS hospital data · DOE/NREL (proximity-based)

Migration

Net migration (county)
-5,821 tax filers

Source: IRS county-to-county migration data (county-level, ~12-month lag)

Housing stock

Median year housing built
1,965
Housing built before 1970
60.1%
Housing built 2000 or later
5.2%
Median annual property tax
$10,001
Mean commute to work
25 min
Households with broadband internet
78.8%

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

Employment & development

Total county employment
559,257
Average weekly wage
$1,369
Top industries (by employment)
Health Care, Accommodation & Food, Construction
Annual residential building permits (county)
838

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

How it compares

IslipState medianUS median
Median home value$671,396$332,036$289,727
Median sale price$750,000$363,950$325,000
Median days on market37 days55 days51 days
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 median home value in Islip, NY?
$671,396.
What is the median sale price in Islip, NY?
$750,000.
How long do homes take to sell in Islip, NY?
Median days on market: 37 days.
What is typical rent in Islip, NY?
2-bedroom fair-market rent: $1,681/month (HUD FMR — a 40th-percentile regulatory reference, not market-observed).
What is the natural-hazard risk in Islip, NY?
Overall risk: Relatively High (FEMA NRI, county-level). Top hazards: coastalFlooding, iceStorm, lightning, winterWeather, coldWave.
Is Islip, NY in a flood zone?
Minimal (FEMA NFIP). FEMA flood zone X.
What is the wildfire risk in 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 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 Islip, NY?
1 current or proposed National Priorities List site within 5 miles (EPA). Nearest site: MacKenzie Chemical Works, Inc., 4.1 mi.
How many schools serve Islip, NY?
5 schools (3 elementary, 1 middle, 1 high) (NCES, 2022-23).
Is Islip, NY walkable?
Walkability index: 15.2/20 (EPA Smart Location Database).
What is the air quality in Islip, NY?
Good. Median AQI: 41. (EPA AQI).
What is the cost of living in Islip, NY?
Regional Price Parity: 115.5 (100 = US average) (High) (BEA RPP, metro/state-level).

ZIP code for Islip

Selling a home in Islip, NY?

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Data last updated

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

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