ZIP Code Tabulation Area · Massachusetts

ZIP Code 02140: Cambridge, MA

ZIP Code 02140 (Cambridge, Middlesex County, Massachusetts) has an estimated 21,204 residents in 9,944 households. The median household income is $135,286, the median home value is $1,149,800 and the median gross rent is $2,615/mo. Figures are U.S. Census Bureau American Community Survey 2020–2024 5-year estimates for the matching ZIP Code Tabulation Area.

American Community Survey 2020–2024 5-year estimates · Updated

Total population

21,204

Margin of error ±1,447

Median household income

$135,286

Margin of error ±$10,977

Median home value

$1,149,800

Margin of error ±$63,335

Median gross rent

$2,615/mo

Margin of error ±$123

Median age

33.9 yrs

Margin of error ±1.4 yrs

Mean travel time to work

31.9 min

Margin of error ±4.1 min

How ZIP 02140 compares with Massachusetts and the U.S.

State and national figures are the Census Bureau's own estimates for those areas from the same ACS release, not averages of ZIP codes.

Median age

ZIP 0214033.9 yrsMassachusetts40.0 yrsUnited States38.9 yrs

Median household income

ZIP 02140$135,286Massachusetts$103,960United States$80,734

Per capita income

ZIP 02140$86,528Massachusetts$57,897United States$44,673

Poverty rate

ZIP 0214011.1%Massachusetts10.0%United States12.5%

Unemployment rate

ZIP 021402.6%Massachusetts5.2%United States5.2%

Bachelor's degree or higher

ZIP 0214079.1%Massachusetts47.3%United States35.7%

Median home value

ZIP 02140$1,149,800Massachusetts$562,100United States$332,700

Median gross rent

ZIP 02140$2,615/moMassachusetts$1,762/moUnited States$1,413/mo

Owner-occupied homes

ZIP 0214034.9%Massachusetts62.5%United States65.2%

Mean travel time to work

ZIP 0214031.9 minMassachusetts29.1 minUnited States26.4 min

Worked from home

ZIP 0214032.2%Massachusetts18.6%United States15.1%

All figures for ZIP 02140

Each estimate has a 90% margin of error: the true value is likely within that range. * marks estimates with a large margin of error (a coefficient of variation above 30%, or ±10 percentage points or more for rates).

ZIP 02140 — ACS 2020–2024 5-year estimates
MeasureZIP 02140Margin of errorMassachusettsUnited States
Total population21,204±1,4477,044,056334,922,499
Median age33.9 yrs±1.4 yrs40.0 yrs38.9 yrs
Households9,944±5682,785,042129,227,496
Median household income$135,286±$10,977$103,960$80,734
Per capita income$86,528±$5,517$57,897$44,673
Poverty rate11.1%±2.9 pts10.0%12.5%
Unemployment rate2.6%±0.9 pts5.2%5.2%
Bachelor's degree or higher79.1%±2.5 pts47.3%35.7%
Median home value$1,149,800±$63,335$562,100$332,700
Median gross rent$2,615/mo±$123$1,762/mo$1,413/mo
Owner-occupied homes34.9%±2.6 pts62.5%65.2%
Mean travel time to work31.9 min±4.1 min29.1 min26.4 min
Worked from home32.2%±3.5 pts18.6%15.1%

Race and Hispanic or Latino origin

Shares of the total population by the Census Bureau's race and Hispanic or Latino origin categories (table B03002), listed in the Census Bureau's order. People self-identify on the survey.

Population by race and Hispanic or Latino origin, ZIP 02140
GroupZIP 02140MassachusettsUnited States
White alone, not Hispanic or Latino52.3%66.6%57.4%
Black or African American alone, not Hispanic or Latino15.9%6.4%11.9%
American Indian and Alaska Native alone, not Hispanic or Latino0.0%0.1%0.5%
Asian alone, not Hispanic or Latino18.4%7.3%5.9%
Native Hawaiian and Other Pacific Islander alone, not Hispanic or Latino0.0%0.0%0.2%
Some other race alone, not Hispanic or Latino0.5%1.2%0.6%
Two or more races, not Hispanic or Latino6.7%5.1%4.3%
Hispanic or Latino (of any race)6.2%13.3%19.3%

Where ZIP 02140 is

State
Massachusetts
Main county
Middlesex County
Largest overlapping place
Cambridge (100% of the ZIP's land area)
Land area
1.16 sq mi· about 18,279 people per sq mi

County and place names come from the Census Bureau's 2020 ZCTA relationship files. A ZIP code's mailing city, set by the U.S. Postal Service, can differ from these names.

Other ZIP codes in Middlesex County

01862 Middlesex County, MA01863 Middlesex County, MA01864 Middlesex County, MA01867 Reading, MA01876 Middlesex County, MA01879 Middlesex County, MA01880 Wakefield, MA01886 Middlesex County, MA01887 Wilmington, MA01890 Winchester, MA02138 Cambridge, MA02139 Cambridge, MA02141 Cambridge, MA02142 Cambridge, MA02143 Somerville, MA02144 Somerville, MA02145 Somerville, MA02148 Malden, MA02149 Everett, MA02155 Medford, MA02176 Melrose, MA02180 Stoneham, MA02420 Lexington, MA02421 Lexington, MA

See every ZIP code in Massachusetts, or compare ZIP 02140 with another ZIP code.

Census figures describe residents as a group and cannot tell you about any one home or street. For a specific address, check local government and housing records.

About ZIP codes and ZCTAs: the Census Bureau publishes statistics for ZIP Code Tabulation Areas, which approximate USPS ZIP code delivery areas. Learn how they differ.

Sources

  • U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, detailed tables B01003, B01002, B11001, B19013, B19301, B17001, B23025, B15003, B25077, B25064, B25003, B08013, B08303, B08301, B03002 — snapshot Oct 26, 2026.
  • U.S. Census Bureau, 2020 ZCTA5 relationship files (county and place).
  • Data: U.S. Census Bureau, American Community Survey 5-year estimates (detailed tables) and 2020 Census ZCTA relationship files. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau. These agencies do not endorse OpenZIP.