ZIP Code 02139 Map
Census ZIP Code Tabulation Area 02139 in Cambridge, MA (Middlesex County). ZCTA boundaries closely approximate USPS delivery areas.
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ZIP 02139 Demographics
Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.
Population
40,033
Households
16,012
Median household income
$134,586
Median age
30 years
Median home value
$1,087,500
Median gross rent
$2,691/mo
Owner-occupied homes
32.2%
Bachelor's degree or higher
79.5%
Below poverty level
13%
Land area
1.6 sq mi
Population density
25,794 / sq mi