Area data
Cambridge, MA — ZIP 02139
Population: 40,033 (Census ACS)
Home values & appreciation
- Median home value
- $1.02M
- 1-year appreciation
- +0.4%
- 3-year appreciation
- +10.5%
- 5-year appreciation
- +14.0%
- 10-year appreciation
- +45.3%
- All-time peak (2025-04)
- $1.03M
- House Price Index
- 467.4 (+2.1% YoY)
Market activity
- Median sale price
- $1.06M
- Median list price
- $849,000
- Median days on market
- 23 days
- Sale-to-list ratio
- 104.5%
- Active listings
- 22
- 1-year forecast
- +1.0%
- Days to pending
- 30 days
- New listings (monthly)
- 31
Rents
- Typical rent
- $3,731/mo
- 1-year rent change
- +5.2%
- 1BR fair-market rent
- $1,597/mo
- 3BR fair-market rent
- $2,658/mo
Affordability
- Cost of living index (High)
- 110.5 (100 = US avg)
- Electricity rate (state-level)
- 30.5¢/kWh
- Natural gas rate (state-level)
- $25.10/MCF
- 30-year mortgage rate (national)
- 6.66%
- 15-year mortgage rate (national)
- 6.00%
Schools
- Total schools
- 10
- Elementary schools
- 8
- Middle schools
- 1
- High schools
- 0
- Charter schools
- 1
Natural hazards & flood risk
- Overall hazard risk
- Relatively High
- Top hazards
- iceStorm, coldWave, hurricane, inlandFlooding, lightning
- FEMA flood zone
- C
- Flood risk level
- Minimal
Climate (30-year normals)
- Annual precipitation
- 49.8 in
Air quality
- Air quality rating
- Good
- Median AQI (annual)
- 39
- Days with Good air quality
- 281
Walkability & transit
- Walkability index
- 17.2 / 20
- Transit service frequency
- 66
Amenities
- National parks within ~60 mi
- 14
- Nearest national park
- John Fitzgerald Kennedy National Historic Site (2 mi)
- Nearest airport
- Boston Logan International Airport (BOS) (5 mi)
- Nearest major airport
- Boston Logan International Airport (BOS) (5 mi)
- Hospitals nearby (~15 mi)
- 1
- Avg hospital rating
- 4.0 / 5
- Solar radiation rating
- Fair (3.8 kWh/m²/day)
Migration
- Net migration
- -8,374 tax filers
Housing stock
- Median year housing built
- 1,938
- Median annual property tax
- $4,812
- Mean commute to work
- 18 min
- Households with broadband internet
- 87.1%
Employment & development
- Total county employment
- 840,394
- Average weekly wage
- $2,110
- Top industries (by employment)
- Professional Services, Health Care, Accommodation & Food
- Annual residential building permits (county)
- 734
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 →