NY area data
Islandia, NY
Islandia, NY.
Population: 3,600 (Census ACS)
The median home value in Islandia, NY is $644,226 — up 8.5% over the past year. Homes sell for a median $620,000 after a median 32 days on market. 1 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).
$644,226
Median home value
+8.5%
1-year change
32
Median days on market
Relatively High
Hazard risk (county)
Home values & appreciation
- Median home value
- $644,226
- 1-year appreciation
- +8.5%
- 3-year appreciation
- +36.7%
- 5-year appreciation
- +55.4%
- 10-year appreciation
- +136.8%
- All-time peak (2026-07)
- $644,226
- 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
- $620,000
- Median list price
- $639,500
- Median price per sqft
- $274
- 1-year sale-price change
- +0.1%
- Median days on market
- 32 days
- Homes sold (recent period)
- 5
- For-sale inventory
- 7
- Sale-to-list ratio
- 105.1%
- Active listings
- 5
- 1-year forecast
- +2.8%
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
- 1
- Elementary schools
- 1
- Middle schools
- 0
- High schools
- 0
- Schools include
- ANDREW T MORROW 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
- C
- 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
- None
- Nearest Superfund site
- Brookhaven National Laboratory (USDOE) (12.9 mi)
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
- 53.0°F
- Average high
- 62.0°F
- Average low
- 45.0°F
- Annual precipitation
- 45.2 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)
- 38
- Days with Good air quality
- 291
- Days with Moderate air quality
- 69
- Highest AQI recorded (year)
- 133
Source: EPA air quality data (nearest monitoring station, annual)
Walkability & transit
- Walkability index
- 9.5 / 20
- Transit service frequency
- -99,999
- Jobs reachable by car (30 min)
- 143,575
- Jobs reachable by transit (45 min)
- 158,426
Source: EPA Smart Location Database (metropolitan block groups)
Amenities
- National parks within ~60 mi
- 3
- Nearest national park
- Fire Island National Seashore (25 mi)
- National parks include
- Fire Island National Seashore, Sagamore Hill National Historic Site, Weir Farm National Historical Park
- Airports within 30 mi
- 14
- Nearest airport
- Talmage Field (5 mi)
- Nearest major airport
- Long Island MacArthur Airport (ISP) (26 mi)
- Hospitals nearby (~15 mi)
- 20
- Hospitals include
- WATERBURY HOSPITAL, LAWRENCE & MEMORIAL HOSPITAL, BRIDGEPORT HOSPITAL
- Avg hospital rating (CMS)
- 3.3 / 5
- Best hospital rating nearby (CMS)
- 5.0 / 5
- EV charging stations (within 10 mi)
- 145
- Solar radiation rating
- Fair (4.0 kWh/m²/day)
Sources: National Park Service · FAA airport data · CMS hospital data · DOE/NREL (proximity-based)
Housing stock
- Median year housing built
- 1,969
- Housing built before 1970
- 55.3%
- Housing built 2000 or later
- 8.2%
- Median annual property tax
- $10,001
- Mean commute to work
- 29 min
- Households with broadband internet
- 80.8%
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
| Islandia | State median | US median | |
|---|---|---|---|
| Median home value | $644,226 | $332,036 | $289,727 |
| Median sale price | $620,000 | $363,950 | $325,000 |
| Median days on market | 32 days | 55 days | 51 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 Islandia, NY?
- $644,226.
- What is the median sale price in Islandia, NY?
- $620,000.
- How long do homes take to sell in Islandia, NY?
- Median days on market: 32 days.
- What is typical rent in Islandia, 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 Islandia, NY?
- Overall risk: Relatively High (FEMA NRI, county-level). Top hazards: coastalFlooding, iceStorm, lightning, winterWeather, coldWave.
- Is Islandia, NY in a flood zone?
- Minimal (FEMA NFIP). FEMA flood zone C.
- What is the wildfire risk in Islandia, 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 Islandia, NY?
- Low radon potential — EPA Zone 3 of 3, county-level. EPA recommends testing every home regardless of zone.
- Are there Superfund sites near Islandia, NY?
- No current or proposed National Priorities List sites within 5 miles (EPA).
- How many schools serve Islandia, NY?
- 1 schools (1 elementary) (NCES, 2022-23).
- Is Islandia, NY walkable?
- Walkability index: 9.5/20 (EPA Smart Location Database).
- What is the air quality in Islandia, NY?
- Good. Median AQI: 38. (EPA AQI).
- What is the cost of living in Islandia, NY?
- Regional Price Parity: 115.5 (100 = US average) (High) (BEA RPP, metro/state-level).
ZIP code for Islandia
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Data last updated
Most recent source refresh: Sep 2026. See all data sources →