Cambridge, MA ZIP Codes
5 ZIP codes serve Cambridge, Massachusetts: 02139, 02138, 02140, 02141 and 02142. Together they are home to 119,000 residents in 49,548 households. Median household income ranges from $119,967 in 02138 to $147,723 in 02142.
Cambridge city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 118,796 |
| Households | 49,444 |
| Median household income | $130,748 |
| Median home value | $1,092,100 |
| Median age | 30.4 |
| Median rent | $2,787 |
All 5 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 119,000 |
| Households (sum of ZIP codes) | 49,548 |
| Median household income, range across ZIP codes | $119,967 (02138) to $147,723 (02142) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $129,934 |
| Homeowners | 33.4% |
| Households with kids under 18 | 17.7% |
| Moved in the past year | 25.4% |
| Carrier routes in EDDM2GO's route library | 87 routes, 53,524 homes (5 of 5 ZIP codes) |
Top facts
- Highest median household income in Cambridge: 02142 ($147,723)
- Most residents: 02139 (40,033 people)
- Highest homeownership: 02138 (41.9% own their home)
- Most households with kids: 02140 (20.0% of households)
- Most new movers: 02142 (37.7% moved in last year)
- Youngest median age: 02138 (28.3 years)
- Highest median home value: 02142 ($1,954,500)
Every ZIP code in Cambridge
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 02139 | Cambridge | 40,033 | 16,012 | $134,586 | $1,087,500 | 32.2% | 17.0% | 23.7% | 23 | 16,786 | 100% of its land; mailing city |
| 02138 | Cambridge | 38,509 | 14,169 | $119,967 | $1,212,400 | 41.9% | 19.3% | 26.2% | 34 | 17,508 | 100% of its land; mailing city |
| 02140 | Cambridge | 21,204 | 9,944 | $135,286 | $1,149,800 | 34.9% | 20.0% | 21.8% | 16 | 11,212 | 100% of its land; mailing city |
| 02141 | Cambridge | 14,517 | 7,270 | $126,522 | $868,100 | 25.5% | 14.1% | 29.6% | 10 | 8,660 | 100% of its land; mailing city |
| 02142 | Cambridge | 4,737 | 2,153 | $147,723 | $1,954,500 | 6.9% | 13.8% | 37.7% | 4 | 3,733 | 100% of its land; mailing city |
A ZIP code is listed for Cambridge when at least 10% of its land lies inside Cambridge city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Cambridge. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Cambridge.
Counties
- Middlesex County — 83 ZIP codes
Rankings
- Richest ZIP codes in Cambridge — 5 ZIP codes ranked
- ZIP codes with the highest home values in Cambridge — 5 ZIP codes ranked
- ZIP codes with the highest homeownership in Cambridge — 5 ZIP codes ranked
- ZIP codes with the most families with kids in Cambridge — 5 ZIP codes ranked
- ZIP codes with the most new movers in Cambridge — 5 ZIP codes ranked
- Youngest ZIP codes in Cambridge — 5 ZIP codes ranked
- Oldest ZIP codes in Cambridge — 5 ZIP codes ranked
- Fastest-growing ZIP codes in Cambridge — 5 ZIP codes ranked
Price a mailing to Cambridge ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Cambridge, MA?
- 02139, 02138, 02140, 02141 and 02142. A ZIP code is listed for Cambridge when at least 10% of its land lies inside Cambridge city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Cambridge.
- What is the population of Cambridge, MA?
- The Census Bureau counts 118,796 residents inside Cambridge city limits (ACS 2020–2024). The 5 ZIP codes that serve Cambridge hold 119,000 residents in all.
- What is the median household income in Cambridge, MA?
- $130,748 inside Cambridge city limits, per the Census Bureau. Across its ZIP codes the medians run from $119,967 to $147,723.
- Which Cambridge ZIP code has the highest median household income?
- 02142, at $147,723, among ZIP codes with at least 1,000 residents. See the full ranking of Cambridge ZIP codes by income.
- How many carrier routes and mailboxes are in Cambridge, MA?
- For the 5 of 5 ZIP codes in EDDM2GO's stored route library: 87 carrier routes reaching 53,524 residential and 4,368 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.