ZIP 02139 · Cambridge
Who lives in ZIP code 02139 (Cambridge, MA): age, income, housing, education and work.
Source: uszips 2026 (ACS-based ZIP file)
2026 ZIP profile
Cambridge, MA · Middlesex County
uszips 2026
People40,033
Median age30.0
Household income$134,586
Home value$1,087,826
Median rent$2,691/mo
Poverty13.0%
College degree+79.5%
Commute24 min
Place
- Metro area
- Boston-Cambridge-Newton, MA-NH
- Wider region
- Boston-Worcester-Providence, MA-RI-NH
- Metro division
- Cambridge-Newton-Framingham, MA
- Time zone
- Eastern
- Density
- 9,960 / sq mi
- Housing units
- 16,012
County
Share of the ZIP's people in each county.
Age mix
11.4% are 65 or older; 89.0% are adults.
Household income
60.7% of households earn $100K+. Median per person: $61,688.
Education (adults 25+)
68.5% of degrees are in STEM fields.
Race
8.5% Hispanic or Latino (of any race).
Households & family
- Married
- 28.1%
- Never married
- 63.5%
- Divorced
- 6.1%
- Widowed
- 2.3%
- Family size
- 2.78
- Dual-income families
- 61.6%
Housing
- Own their home
- 32.2%
- Rent burden
- 29.1%
- Men / women
- 52% / 48%
Work
- In labor force
- 71.9%
- Unemployment
- 4.0%
- Self-employed
- —
- Farmers
- —
Community
- Charitable givers
- —
- Veterans
- 1.4%
- With a disability
- 8.2%
- No health insurance
- 1.5%
- Limited English
- 5.3%
Source: uszips 2026 (ACS-based ZIP file). Shares are percentages of people, households or adults as the measure implies.