| Timezone | Eastern Time |
| Area | 7.13 sq mi |
| Population | 104,899 (More Details) |
|
| Male Population | 51,033 (48.6%) |
| Female Population | 53,866 (51.4%) |
| Median Age | 30.1 |
| Zip Codes | 02138, 02139, 02140 (3 more) |
| Area Codes | 339, 857, 978 (3 more) |
6 Zip Codes in Cambridge, Massachusetts
| Zip Code | City | Administrative Region | Population | Median Age | Area |
|---|
| 02138 | Cambridge, Massachusetts | Massachusetts | 36,822 | 28.4 | 3.067 sq mi |
| 02139 | Cambridge, Massachusetts | Massachusetts | 37,786 | 27.2 | 1.7 sq mi |
| 02140 | Cambridge, Massachusetts | Massachusetts | 16,593 | 35.1 | 1.184 sq mi |
| 02141 | Cambridge, Massachusetts | Massachusetts | 11,032 | 32.2 | 0.669 sq mi |
| 02142 | Cambridge, Massachusetts | Massachusetts | 2,687 | 29.7 | 0.493 sq mi |
| 02238 | Cambridge, Massachusetts | Massachusetts | — | — | — |
Cambridge, Massachusetts Demographic Information
| Population | 104,899 |
| Population Density | 14,709 / mi² |
| Male Population | 51,033 (48.6%) |
| Female Population | 53,866 (51.4%) |
| Median Age | 30.1 |
| Male Median Age | 29.8 |
| Female Median Age | 30.3 |
| Businesses in Cambridge, Massachusetts | 13,668 |
| Population (1975) | 82,126 |
| Population (2000) | 102,520 |
| Population change from 1975 to 2015 | +27.7% |
| Population change from 2000 to 2015 | +2.3% |
