NJ area data
Iselin, NJ
Iselin, NJ.
Population: 19,551 (Census ACS)
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
- 430.8 (+5.2% YoY)
Market activity
- Median sale price
- $512,576
- Median list price
- $535,000
- Median days on market
- 86 days
- Sale-to-list ratio
- 98.9%
- Active listings
- 50
- 1-year forecast
- +2.3%
- New listings (monthly)
- 16
Rents
- Typical rent
- $2,728/mo
- 1-year rent change
- +2.6%
- 1BR fair-market rent
- $1,731/mo
- 3BR fair-market rent
- $2,729/mo
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%
Schools
- Total schools
- 6
- Elementary schools
- 4
- Middle schools
- 1
- High schools
- 1
Natural hazards & flood risk
- Overall hazard risk
- Relatively High
- Top hazards
- iceStorm, strongWind, winterWeather, coastalFlooding, coldWave
- FEMA flood zone
- C
- Flood risk level
- Minimal
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
Air quality
- Air quality rating
- Good
- Median AQI (annual)
- 44
- Days with Good air quality
- 229
- Days with Unhealthy air quality
- 4
Walkability & transit
- Walkability index
- 18.7 / 20
- Transit service frequency
- 111
Amenities
- National parks within ~60 mi
- 22
- Nearest national park
- Thomas Edison National Historical Park (16 mi)
- Nearest airport
- Linden Airport (LDJ) (5 mi)
- Nearest major airport
- Newark Liberty International Airport (EWR) (11 mi)
- Hospitals nearby (~15 mi)
- 41
- Avg hospital rating
- 2.6 / 5
- Solar radiation rating
- Fair (4.0 kWh/m²/day)
Migration
- Net migration
- -3,660 tax filers
Housing stock
- Median year housing built
- 1,959
- Median annual property tax
- $9,119
- Mean commute to work
- 27 min
- Households with broadband internet
- 73.8%
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
Area data compiled from public government, academic, and industry research feeds. Data sources →
Data last updated
Most recent source refresh: Aug 2026. See all data sources →