Area data
Dorchester, MA — ZIP 02121
Population: 29,040 (Census ACS)
Home values & appreciation
- Median home value
- $659,643
- 1-year appreciation
- -1.4%
- 3-year appreciation
- +4.6%
- 5-year appreciation
- +10.2%
- 10-year appreciation
- +65.4%
- All-time peak (2025-03)
- $682,257
- House Price Index
- 467.4 (+2.1% YoY)
Market activity
- Median sale price
- $500,000
- Median list price
- $649,000
- Median days on market
- 52 days
- Sale-to-list ratio
- 100.6%
- Active listings
- 2
- 1-year forecast
- +1.1%
- New listings (monthly)
- 5
Rents
- Typical rent
- $3,223/mo
- 1-year rent change
- +3.5%
- 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
- 8
- Elementary schools
- 4
- Middle schools
- 1
- High schools
- 3
Natural hazards & flood risk
- Overall hazard risk
- Relatively Moderate
- Top hazards
- lightning, coastalFlooding, coldWave, heatWave, hurricane
Climate (30-year normals)
- Average annual temperature
- 52.0°F
- Average high
- 62.0°F
- Average low
- 42.0°F
- Annual precipitation
- 50.2 in
Air quality
- Air quality rating
- Good
- Median AQI (annual)
- 44
- Days with Good air quality
- 231
Walkability & transit
- Walkability index
- 14.0 / 20
- Transit service frequency
- 176
Amenities
- National parks within ~60 mi
- 16
- Nearest national park
- Frederick Law Olmsted National Historic Site (3 mi)
- Nearest airport
- Boston Logan International Airport (BOS) (6 mi)
- Nearest major airport
- Boston Logan International Airport (BOS) (6 mi)
- Hospitals nearby (~15 mi)
- 36
- Avg hospital rating
- 3.6 / 5
- Solar radiation rating
- Fair (3.8 kWh/m²/day)
Migration
- Net migration
- -9,410 tax filers
Housing stock
- Median year housing built
- 1,944
- Median annual property tax
- $3,294
- Mean commute to work
- 34 min
- Households with broadband internet
- 70.4%
Employment & development
- Total county employment
- 633,927
- Average weekly wage
- $2,443
- Top industries (by employment)
- Health Care, Professional Services, Finance & Insurance
- Annual residential building permits (county)
- 74
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 →