NJ area data
Mountainside, NJ
Mountainside, NJ.
Population: 7,049 (Census ACS)
Home values & appreciation
- Median home value
- $1.07M
- 1-year appreciation
- +3.1%
- 3-year appreciation
- +19.0%
- 5-year appreciation
- +34.0%
- 10-year appreciation
- +51.7%
- All-time peak (2026-07)
- $1.07M
- House Price Index
- 430.8 (+5.2% YoY)
Market activity
- Median sale price
- $1.14M
- Median list price
- $972,000
- Median days on market
- 16 days
- Sale-to-list ratio
- 104.1%
- Active listings
- 8
- 1-year forecast
- +2.6%
- New listings (monthly)
- 10
Rents
- 2-bedroom fair-market rent (HUD reference)
- $2,099/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
- 2
- Elementary schools
- 1
- Middle schools
- 1
- High schools
- 0
Natural hazards & flood risk
- Overall hazard risk
- Relatively High
- Top hazards
- iceStorm, lightning, strongWind, winterWeather, inlandFlooding
- FEMA flood zone
- C
- Flood risk level
- Minimal
Climate (30-year normals)
- Average annual temperature
- 54.0°F
- Average high
- 64.0°F
- Average low
- 44.0°F
- Annual precipitation
- 52.4 in
Air quality
- Air quality rating
- Moderate
- Median AQI (annual)
- 52
- Days with Good air quality
- 163
- Days with Unhealthy air quality
- 3
Walkability & transit
- Walkability index
- 13.5 / 20
- Transit service frequency
- 803
Amenities
- National parks within ~60 mi
- 22
- Nearest national park
- Thomas Edison National Historical Park (10 mi)
- Nearest airport
- Linden Airport (LDJ) (8 mi)
- Nearest major airport
- Morristown Municipal Airport (MMU) (9 mi)
- Hospitals nearby (~15 mi)
- 37
- Avg hospital rating
- 2.7 / 5
- Solar radiation rating
- Fair (4.0 kWh/m²/day)
Migration
- Net migration
- -2,824 tax filers
Housing stock
- Median year housing built
- 1,957
- Median annual property tax
- $10,001
- Mean commute to work
- 27 min
- Households with broadband internet
- 94.5%
Employment & development
- Total county employment
- 199,693
- Average weekly wage
- $1,578
- Top industries (by employment)
- Health Care, Administrative Services, Professional Services
- Annual residential building permits (county)
- 89
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 →