Comparison to Surrounding Areas
The median household income ($134,586) for 02139 is less than the median household income for 02142 ($147,723). But it's more than 02215 ($72,095), 02141 ($126,522), 02143 ($130,753), 02116 ($126,496), 02134 ($78,679), 02138 ($119,967), Middlesex County ($130,847), and Cambridge city ($130,748).
| 02139 | $134,586 |
| Cambridge city | $130,748 |
| Middlesex County | $130,847 |
Get Median Household Income for all Zip Codes in Massachusetts.
The average household income ($178,274) for 02139 is less than the average household income for 02116 ($245,220), 02138 ($197,176), 02142 ($205,435), and Cambridge city ($183,408). But it's more than 02134 ($102,013), 02141 ($159,947), 02143 ($166,291), 02215 ($98,394), and Middlesex County ($178,070).
| 02139 | $178,274 |
| Cambridge city | $183,408 |
| Middlesex County | $178,070 |
Get Average Household Income for all Zip Codes in Massachusetts.
The per-capita income for 02139 is $74,801. The per capita income ($74,801) for 02139 is less than the per capita income for 02116 ($128,518), 02138 ($75,496), 02141 ($80,031), 02142 ($99,370), 02143 ($80,068), and Cambridge city ($78,723). But it's more than 02134 ($48,257), 02215 ($34,893), and Middlesex County ($69,556).
| 02139 | $74,801 |
| Cambridge city | $78,723 |
| Middlesex County | $69,556 |
Get Per-Capita Income for all Zip Codes in Massachusetts.
31.6% of households make over $200,000 a year. The percent high income households (31.6%) for 02139 is less than the percent high income households for 02116 (36.0%) and 02142 (38.4%). But it's more than 02138 (30.2%), 02143 (29.5%), 02215 (12.5%), 02134 (12.4%), 02141 (27.7%), Middlesex County (31.1%), and Cambridge city (31.2%).
| 02139 | 31.6% |
| Cambridge city | 31.2% |
| Middlesex County | 31.1% |
Get High Income Households for all Zip Codes in Massachusetts.
| under 25 years | 25 to 44 years | 45 to 64 years | 65 years and over | |
|---|---|---|---|---|
| 02139 | $104,191 | $152,252 | $157,601 | $79,962 |
| Cambridge city | $83,042 | $145,858 | $165,155 | $93,540 |
| Middlesex County | $80,376 | $149,054 | $162,925 | $78,342 |
Get Median Household Income by Age of Householder for all Zip Codes in Massachusetts.
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All income statistics above are the most current, comparable income statistics available from the US Census Bureau and are from the American Community Survey 2024 5-year estimates. You can find this information and other demographics for 02139 on the US Census Bureau’s website. These values are in 2024 inflation-adjusted dollars and were downloaded on 29 January 2026.
Margins of error for the income data are:
| Median Household Income | Average Household Income | Per Capita Income | High Income Households | Median Household Income by Age of Householder | ||||
|---|---|---|---|---|---|---|---|---|
| under 25 | 25 to 44 | 45 to 64 | 65+ | |||||
| 02139 | +/-$8,697 | +/-$9,413 | +/-$3,210 | +/-2.4% | +/-$35,279 | +/-$13,270 | +/-$38,505 | +/-$17,958 |
| Cambridge city | +/-$3,564 | +/-$4,755 | +/-$2,057 | +/-1.2% | +/-$8,103 | +/-$5,701 | +/-$11,933 | +/-$6,788 |
| Middlesex County | +/-$1,164 | +/-$1,505 | +/-$581 | +/-0.4% | +/-$5,942 | +/-$2,605 | +/-$2,800 | +/-$2,034 |