Skip to main content

02138 ZIP Code

Cambridge, Massachusetts

December 26, 2025
ZIP Code:02138
City/Town:Cambridge
County:Middlesex
State:Massachusetts
ZIP Type:Standard
Population:38,006
Median Household Income:$118,320
Per Capita Income:$46,902
Total Housing Units:16,145
Median Home Value:$1,053,700
Land Area:2.7 sq miles
7.1 sq km
Water Area:0.3 sq miles
0.8 sq km
Coordinates:42.3796, -71.1352

Population Information (02138 zip code)

#%US
Total Population:38,006----
Male:18,53748.8%49.6%
Female:19,46951.2%50.4%
Median Age:29.2 yrs--38.5 yrs
Under 5 years:1,5584.1%5.7%
5 to 9 years:1,1243.0%6.0%
10 to 14 years:1,2543.3%6.5%
15 to 19 years:4,27111.2%6.6%
20 to 24 years:6,68417.6%6.7%
25 to 34 years:7,90220.8%13.7%
35 to 44 years:4,55712.0%12.9%
45 to 54 years:2,9527.8%12.4%
55 to 59 years:1,1413.0%6.5%
60 to 64 years:1,1663.1%6.4%
65 to 74 years:3,5609.4%9.7%
75 to 84 years:1,1793.1%4.8%
85 years and over:6581.7%2.0%

Housing Information (02138 zip code)

#%US
Median home value:$1,053,700--$281,900
Median rooms:4.3--5.5
Median rent:$2,641 / mo.--$1,268 / mo.
Total housing units:16,145----
Occupied housing units:14,48089.7%38.0%
Vacant housing units:1,66510.3%4.6%
Housing tenure:------
Owner-occupied:5,63138.9%64.8%
Renter-occupied:8,84961.1%35.2%

Educational Attainment (02138 zip code)

#%US
Population 25 years and over:23,115----
Less than 9th grade:1870.8%4.7%
9th to 12th grade, no diploma:1940.8%6.1%
High school graduate:7993.5%26.4%
Some college, no degree:1,4676.3%19.7%
Associate degree:4241.8%8.7%
Bachelor's degree:7,04130.5%20.9%
Graduate or professional degree:13,00356.3%13.7%
Percent high school graduate or higher:--98.4%89.1%
Percent bachelor's degree or higher:--86.7%34.3%

Income Information (02138 zip code)

ValueUS
Median household income:$118,320 / yr.$75,149 / yr.
Mean household income:$182,108 / yr.$105,833 / yr.
Median family income:$190,378 / yr.$92,646 / yr.
Per capita income:$46,902 / yr.$41,261 / yr.

Employment (02138 zip code)

#%US
In labor force:21,337--63.5%
Employed:20,72497.3%96.4%
Unemployed:5762.7%5.3%
Not in labor force:12,561----
Class of Worker:------
Private wage and salary:17,66585.2%79.7%
Government workers:1,9989.6%14.2%
Self-employed:1,0525.1%5.9%
Unpaid family workers:90.0%0.1%

Race & Ethnicity (02138 zip code)

#%US
Race (one race):------
White:24,62464.8%61.6%
Black or African American:2,2786.0%12.4%
American Indian/Alaska Native:990.3%1.1%
Asian:6,63417.5%6.0%
Native Hawaiian/Pacific Islander:20.0%0.2%
Some other race:8792.3%8.4%
Two or more races:3,4909.2%10.2%
Hispanic or Latino (any race):2,5876.8%18.7%
Mexican:3,2238.5%11.2%
Puerto Rican:5111.3%1.8%
Cuban:9242.4%0.7%
Other Hispanic or Latino:1270.3%5.0%
Not Hispanic or Latino:1,6614.4%81.1%

Income Distribution (02138 zip code)

Household IncomeHouseholds%US
Less than $10,000:1,0407.2%4.9%
$10,000 to $14,999:2912.0%3.8%
$15,000 to $24,999:6594.6%7.0%
$25,000 to $34,999:3652.5%7.4%
$35,000 to $49,999:9846.8%10.7%
$50,000 to $74,999:1,3279.2%16.1%
$75,000 to $99,999:1,67411.6%12.8%
$100,000 to $149,999:2,38716.5%17.1%
$150,000 to $199,999:1,61511.2%8.8%
$200,000 or more:4,13828.6%11.4%

Commute to Work (02138 zip code)

Commute MethodWorkers%US
Drove alone:4,88523.6%67.8%
Carpooled:8884.3%8.7%
Public transportation:3,34916.2%4.2%
Walked:4,46821.6%2.5%
Other means:1,5417.4%0.9%
Worked from home:5,36025.9%13.8%
Mean travel time to work:25.0 min--26.7 min

Industry (02138 zip code)

Industry SectorWorkers%US
Agriculture, forestry, fishing, mining:160.1%1.6%
Construction:2021.0%6.9%
Manufacturing:1,0004.8%10.0%
Wholesale trade:930.4%2.4%
Retail trade:9004.3%11.0%
Transportation, warehousing, utilities:2091.0%5.8%
Information:6683.2%1.9%
Finance, insurance, real estate:1,3316.4%6.7%
Professional, scientific, management:4,01419.4%12.1%
Education, health care, social services:9,90947.8%23.3%
Arts, entertainment, food services:1,3056.3%9.0%
Other services:5492.6%4.7%
Public administration:5282.5%4.7%

Poverty Status (02138 zip code)

#%US
Poverty Rate:--12.0%8.8%
All people below poverty level:------
Under 18 years:----16.3%
18 to 64 years:----11.0%
65 years and over:----10.3%

Health Insurance (02138 zip code)

#%US
With health insurance:36,89797.1%91.3%
Private health insurance:34,03089.5%67.6%
Public health coverage:6,74617.7%35.9%
Without health insurance:8682.3%8.7%

Benefits & Assistance (02138 zip code)

Households with:#%US
Earnings:12,10183.6%77.4%
Social Security income:3,00320.7%31.0%
Retirement income:2,18615.1%21.8%
Supplemental Security Income (SSI):2591.8%4.5%
Cash public assistance income:2241.5%1.8%
SNAP (food stamps) benefits:3672.5%11.4%

Housing Types (02138 zip code)

Structure TypeUnits%US
1-unit, detached:2,28514.2%61.4%
1-unit, attached:1,1487.1%6.1%
2 units:2,35014.6%3.4%
3 or 4 units:2,02612.5%4.3%
5 to 9 units:1,2357.6%4.6%
10 to 19 units:1,5709.7%4.3%
20 or more units:5,53134.3%9.9%
Mobile home:00.0%5.8%
Boat, RV, van, etc.:00.0%0.1%

Year Structure Built (02138 zip code)

Year BuiltUnits%US
Built 2020 or later:460.3%0.6%
Built 2010 to 2019:7224.5%8.2%
Built 2000 to 2009:7854.9%13.5%
Built 1990 to 1999:4132.6%13.2%
Built 1980 to 1989:5863.6%13.2%
Built 1970 to 1979:1,5549.6%14.6%
Built 1960 to 1969:1,3648.4%10.2%
Built 1950 to 1959:6794.2%9.9%
Built 1940 to 1949:5193.2%4.6%
Built 1939 or earlier:9,47758.7%12.0%

Bedrooms (02138 zip code)

Number of BedroomsUnits%US
No bedroom (studio):1,1577.2%2.4%
1 bedroom:4,42027.4%3.0%
2 bedrooms:5,76535.7%9.1%
3 bedrooms:2,62816.3%15.9%
4 bedrooms:1,2297.6%18.8%
5 or more bedrooms:9465.9%17.6%

Heating Fuel (02138 zip code)

Fuel TypeUnits%US
Utility gas:9,63066.5%47.1%
Bottled, tank, or LP gas:3602.5%4.9%
Electricity:3,05521.1%40.2%
Fuel oil, kerosene, etc.:1,0177.0%4.2%
Coal or coke:00.0%0.1%
Wood:00.0%1.5%
Solar energy:240.2%0.1%
Other fuel:1370.9%0.5%
No fuel used:2571.8%0.2%

Vehicles Available (02138 zip code)

VehiclesHouseholds%US
No vehicle available:4,80833.2%8.3%
1 vehicle available:6,64545.9%32.6%
2 vehicles available:2,51317.4%37.0%
3 or more vehicles available:5143.5%22.1%

Home Value Distribution (02138 zip code)

Value RangeOwner Units%US
Less than $50,000:561.0%5.7%
$50,000 to $99,999:170.3%7.8%
$100,000 to $149,999:110.2%9.2%
$150,000 to $199,999:150.3%10.8%
$200,000 to $299,999:731.3%19.9%
$300,000 to $499,999:3696.6%24.1%
$500,000 to $999,999:2,15338.2%17.0%
$1,000,000 or more:2,93752.2%5.6%

Housing Costs (02138 zip code)

ValueUS
Median owner costs (with mortgage):$3,460 / mo.$1,828 / mo.
Median owner costs (no mortgage):$1,169 / mo.$584 / mo.
Median gross rent:$2,641 / mo.$1,268 / mo.
Average household size (owner-occupied):2.092.53
Average household size (renter-occupied):1.972.38

Households (02138 zip code)

#%US
Total households:14,480----
Married-couple households:5,35937.0%47.5%
Cohabiting couple households:2,11614.6%7.0%
Male householder, no spouse:3,22522.3%5.4%
Female householder, no spouse:4,59231.7%12.7%
Householder living alone:2,55617.7%28.6%
65 years and over living alone:4,00327.6%11.8%
Average household size:2.02--2.53
Average family size:2.80----

Marital Status (02138 zip code)

Population 15 years and over#%US
Total:16,358----
Never married:9,38757.4%37.0%
Now married:6,08837.2%49.5%
Separated:2581.6%1.5%
Widowed:5323.3%2.6%
Divorced:9,92260.7%9.3%

School Enrollment (02138 zip code)

Population 3 years and over#%US
Enrolled in school:16,292----
Nursery school, preschool:4492.8%5.8%
Kindergarten:2461.5%5.0%
Elementary school (grades 1-8):1,97812.1%40.5%
High school (grades 9-12):9635.9%21.4%
College or graduate school:12,65677.7%27.3%

Veterans & Disability (02138 zip code)

#%US
Civilian population 18 years and over:33,292----
Veterans:6632.0%6.3%
Civilian noninstitutionalized population:37,765----
With a disability:2,3116.1%13.4%
Under 18 with disability:1245.4%5.8%
18 to 64 with disability:1,31857.0%10.4%
65 and over with disability:86937.6%33.4%

Mobility (Residence 1 Year Ago) (02138 zip code)

Population 1 year and over#%US
Same house:27,88373.4%86.9%
Different house:9,97126.2%13.1%
Same county:3,31633.3%7.0%
Different county:5,08251.0%3.2%
Different state:3,71037.2%2.5%
Abroad:1,57315.8%0.4%

Place of Birth (02138 zip code)

#%US
Native born:28,25374.3%86.2%
Foreign born:1,0442.7%13.9%
Naturalized citizen:9,753934.2%52.7%
Not a citizen:9,753934.2%47.3%
Foreign-born by region:------
Europe:9,753934.2%10.5%
Asia:2,659254.7%31.3%
Africa:63160.4%5.5%
Oceania:18017.2%0.5%
Latin America:1,295124.0%50.0%
Northern America:34032.6%2.2%

Language Spoken at Home (02138 zip code)

Population 5 years and over#%US
Total:36,448----
English only:25,24769.3%78.3%
Language other than English:11,20130.7%21.5%
By language:------
Spanish:2,1736.0%13.3%
Other Indo-European languages:3,96010.9%3.5%
Asian/Pacific Island languages:3,84310.5%3.5%
Other languages:1,2253.4%1.0%

Computers & Internet (02138 zip code)

Households%US
Households with a computer:14,480100.0%93.1%
Households with broadband internet:14,29598.7%89.4%