NJ area data
Iselin, NJ
Iselin, NJ.
Population: 19,551 (Census ACS)
The median home value in Iselin, NJ is $568,366 — up 3.2% over the past year. Homes sell for a median $512,576 after a median 86 days on market. Typical rent runs $2,728/month. 6 schools serve the area (NCES). FEMA's National Risk Index rates the county's overall natural-hazard risk Relatively High, with icestorm, strongwind, winterweather the top-rated hazards. Cost of living is 12.5% above the US average (BEA, metro/state-level).
$568,366
Median home value
+3.2%
1-year change
86
Median days on market
Relatively High
Hazard risk (county)
Home values & appreciation
- Median home value
- $568,366
- 1-year appreciation
- +3.2%
- 3-year appreciation
- +22.5%
- 5-year appreciation
- +43.4%
- 10-year appreciation
- +85.5%
- All-time peak (2026-03)
- $576,215
- House Price Index (state)
- 430.8 (+5.2% YoY)
Sources: home value index (ZIP-level) · FHFA House Price Index (state-level)
Market activity
- Median sale price
- $512,576
- Median list price
- $535,000
- Median price per sqft
- $421
- 1-year sale-price change
- -6.8%
- Median days on market
- 86 days
- Homes sold (recent period)
- 22
- For-sale inventory
- 53
- Sale-to-list ratio
- 98.9%
- Active listings
- 50
- 1-year forecast
- +2.3%
- New listings (monthly)
- 16
Source: recent area sales and market data (ZIP-level)
Rents
- Typical rent
- $2,728/mo
- 1-year rent change
- +2.6%
- Studio fair-market rent
- $1,385/mo
- 1BR fair-market rent
- $1,731/mo
- 2BR fair-market rent
- $2,099/mo
- 3BR fair-market rent
- $2,729/mo
- 4BR fair-market rent
- $3,149/mo
Sources: market rent index (ZIP-level) · HUD Fair Market Rents (metro/county-level, 40th-percentile regulatory reference)
Affordability
- Cost of living index (High)
- 112.5 (100 = US avg)
- Electricity rate (state-level)
- 22.6¢/kWh
- Natural gas rate (state-level)
- $14.20/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
- 6
- Elementary schools
- 4
- Middle schools
- 1
- High schools
- 1
- Schools include
- Oak Tree Road Elementary School, John F. Kennedy Memorial High School, Iselin Middle School, Robert Mascenik Elementary School, Indiana Avenue Elementary School
Source: NCES school directory, 2022-23 (school-address-based)
Natural hazards & flood risk
- Overall hazard risk (county)
- Relatively High
- Top hazards (county)
- iceStorm, strongWind, winterWeather, coastalFlooding, coldWave
- Notable hazard ratings (county)
- coastalFlooding: Relatively High · coldWave: Relatively High · drought: Relatively Moderate · earthquake: Relatively Moderate · hail: Relatively Low · heatWave: Relatively Moderate
- FEMA flood zone
- C
- Flood risk level
- Minimal
- Wildfire risk to homes (county)
- Higher than 40% of US counties
- Buildings in wildfire direct-exposure zone
- 16.7%
- Radon potential (county)
- Moderate radon potential — EPA Zone 2 of 3
- EPA Superfund (NPL) sites within 5 mi
- 2
- Nearest Superfund site
- Chemical Insecticide Corp. (4 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
- 56.0°F
- Average high
- 65.0°F
- Average low
- 47.0°F
- Annual precipitation
- 56.6 in
- Annual snowfall
- 7.7 in
- USDA plant hardiness zone
- 7a (extreme annual low 0 to 5°F)
Sources: NOAA Climate Normals (30-year, nearest-station) · USDA Plant Hardiness Zone Map (2023)
Air quality
- Air quality rating
- Good
- Median AQI (annual)
- 44
- Days with Good air quality
- 229
- Days with Moderate air quality
- 124
- Days with Unhealthy air quality
- 4
- Highest AQI recorded (year)
- 247
Source: EPA air quality data (nearest monitoring station, annual)
Walkability & transit
- Walkability index
- 18.7 / 20
- Transit service frequency
- 111
- Jobs reachable by car (30 min)
- 360,827
- Jobs reachable by transit (45 min)
- 318,241
Source: EPA Smart Location Database (metropolitan block groups)
Amenities
- National parks within ~60 mi
- 22
- Nearest national park
- Thomas Edison National Historical Park (16 mi)
- National parks include
- Thomas Edison National Historical Park, National Parks of New York Harbor, Statue Of Liberty National Monument
- Airports within 30 mi
- 23
- Nearest airport
- Linden Airport (LDJ) (5 mi)
- Nearest major airport
- Newark Liberty International Airport (EWR) (11 mi)
- Hospitals nearby (~15 mi)
- 41
- Hospitals include
- NEWARK BETH ISRAEL MEDICAL CENTER, PALISADES MEDICAL CENTER, CLARA MAASS MEDICAL CENTER
- Avg hospital rating (CMS)
- 2.6 / 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)
- -3,660 tax filers
Source: IRS county-to-county migration data (county-level, ~12-month lag)
Housing stock
- Median year housing built
- 1,959
- Housing built before 1970
- 65.9%
- Housing built 2000 or later
- 5.9%
- Median annual property tax
- $9,119
- Mean commute to work
- 27 min
- Households with broadband internet
- 73.8%
Source: Census ACS 5-year estimates (ZIP-level)
Employment & development
- Total county employment
- 376,864
- Average weekly wage
- $1,510
- Top industries (by employment)
- Health Care, Professional Services, Administrative Services
- Annual residential building permits (county)
- 566
Sources: BLS QCEW (county-level) · Census Building Permits (county-level)
How it compares
| Iselin | State median | US median | |
|---|---|---|---|
| Median home value | $568,366 | $577,759 | $289,727 |
| Median sale price | $512,576 | $555,000 | $325,000 |
| Median days on market | 86 days | 42 days | 51 days |
| Typical rent | $2,728/mo | $2,540/mo | $1,808/mo |
| Median annual property tax | $9,119 | $9,504 | $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 Iselin, NJ?
- $568,366.
- What is the median sale price in Iselin, NJ?
- $512,576.
- How long do homes take to sell in Iselin, NJ?
- Median days on market: 86 days.
- What is typical rent in Iselin, NJ?
- Typical rent: $2,728/month.
- What is the natural-hazard risk in Iselin, NJ?
- Overall risk: Relatively High (FEMA NRI, county-level). Top hazards: iceStorm, strongWind, winterWeather, coastalFlooding, coldWave.
- Is Iselin, NJ in a flood zone?
- Minimal (FEMA NFIP). FEMA flood zone C.
- What is the wildfire risk in Iselin, NJ?
- Risk to homes is higher than 40% of US counties (USDA Forest Service Wildfire Risk to Communities, county-level).
- What is the radon potential in Iselin, NJ?
- Moderate radon potential — EPA Zone 2 of 3, county-level. EPA recommends testing every home regardless of zone.
- Are there Superfund sites near Iselin, NJ?
- 2 current or proposed National Priorities List sites within 5 miles (EPA). Nearest site: Chemical Insecticide Corp., 4 mi.
- How many schools serve Iselin, NJ?
- 6 schools (4 elementary, 1 middle, 1 high) (NCES, 2022-23).
- Is Iselin, NJ walkable?
- Walkability index: 18.7/20 (EPA Smart Location Database).
- What is the air quality in Iselin, NJ?
- Good. Median AQI: 44. (EPA AQI).
- What is the cost of living in Iselin, NJ?
- Regional Price Parity: 112.5 (100 = US average) (High) (BEA RPP, metro/state-level).
ZIP code for Iselin
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Data last updated
Most recent source refresh: Sep 2026. See all data sources →