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02121 ZIP Code

Dorchester, Massachusetts

December 26, 2025
ZIP Code:02121
City/Town:Dorchester
County:Suffolk
State:Massachusetts
ZIP Type:Standard
Population:29,820
Median Household Income:$42,411
Per Capita Income:$32,820
Total Housing Units:11,584
Median Home Value:$517,800
Land Area:1.9 sq miles
4.9 sq km
Water Area:0.0 sq miles
0.0 sq km
Coordinates:42.3054, -71.0870

Population Information (02121 zip code)

#%US
Total Population:29,820----
Male:13,53245.4%49.6%
Female:16,28854.6%50.4%
Median Age:33.2 yrs--38.5 yrs
Under 5 years:1,9306.5%5.7%
5 to 9 years:1,9656.6%6.0%
10 to 14 years:2,2187.4%6.5%
15 to 19 years:2,0716.9%6.6%
20 to 24 years:2,4298.1%6.7%
25 to 34 years:5,25317.6%13.7%
35 to 44 years:3,70912.4%12.9%
45 to 54 years:2,9559.9%12.4%
55 to 59 years:2,0306.8%6.5%
60 to 64 years:1,8026.0%6.4%
65 to 74 years:2,3908.0%9.7%
75 to 84 years:8212.8%4.8%
85 years and over:2470.8%2.0%

Housing Information (02121 zip code)

#%US
Median home value:$517,800--$281,900
Median rooms:4.7--5.5
Median rent:$1,282 / mo.--$1,268 / mo.
Total housing units:11,584----
Occupied housing units:10,51390.8%38.0%
Vacant housing units:1,0719.2%4.6%
Housing tenure:------
Owner-occupied:2,41823.0%64.8%
Renter-occupied:8,09577.0%35.2%

Educational Attainment (02121 zip code)

#%US
Population 25 years and over:19,207----
Less than 9th grade:2,29612.0%4.7%
9th to 12th grade, no diploma:1,6448.6%6.1%
High school graduate:6,46533.7%26.4%
Some college, no degree:3,63418.9%19.7%
Associate degree:1,1385.9%8.7%
Bachelor's degree:2,48012.9%20.9%
Graduate or professional degree:1,5508.1%13.7%
Percent high school graduate or higher:--79.5%89.1%
Percent bachelor's degree or higher:--21.0%34.3%

Income Information (02121 zip code)

ValueUS
Median household income:$42,411 / yr.$75,149 / yr.
Mean household income:$75,657 / yr.$105,833 / yr.
Median family income:$51,667 / yr.$92,646 / yr.
Per capita income:$32,820 / yr.$41,261 / yr.

Employment (02121 zip code)

#%US
In labor force:14,375--63.5%
Employed:13,15591.5%96.4%
Unemployed:1,2208.5%5.3%
Not in labor force:8,883----
Class of Worker:------
Private wage and salary:10,48479.7%79.7%
Government workers:2,24517.1%14.2%
Self-employed:4243.2%5.9%
Unpaid family workers:20.0%0.1%

Race & Ethnicity (02121 zip code)

#%US
Race (one race):------
White:3,38611.4%61.6%
Black or African American:16,22754.4%12.4%
American Indian/Alaska Native:270.1%1.1%
Asian:2030.7%6.0%
Native Hawaiian/Pacific Islander:00.0%0.2%
Some other race:4,43914.9%8.4%
Two or more races:5,53818.6%10.2%
Hispanic or Latino (any race):8,53828.6%18.7%
Mexican:10,03133.6%11.2%
Puerto Rican:450.2%1.8%
Cuban:2,2087.4%0.7%
Other Hispanic or Latino:270.1%5.0%
Not Hispanic or Latino:7,75126.0%81.1%

Income Distribution (02121 zip code)

Household IncomeHouseholds%US
Less than $10,000:1,0309.8%4.9%
$10,000 to $14,999:1,22311.6%3.8%
$15,000 to $24,999:1,21611.6%7.0%
$25,000 to $34,999:1,32412.6%7.4%
$35,000 to $49,999:9479.0%10.7%
$50,000 to $74,999:1,09310.4%16.1%
$75,000 to $99,999:6966.6%12.8%
$100,000 to $149,999:1,34812.8%17.1%
$150,000 to $199,999:7216.9%8.8%
$200,000 or more:9158.7%11.4%

Commute to Work (02121 zip code)

Commute MethodWorkers%US
Drove alone:5,39841.0%67.8%
Carpooled:1,1448.7%8.7%
Public transportation:4,82136.6%4.2%
Walked:3822.9%2.5%
Other means:5193.9%0.9%
Worked from home:5644.3%13.8%
Mean travel time to work:36.0 min--26.7 min

Industry (02121 zip code)

Industry SectorWorkers%US
Agriculture, forestry, fishing, mining:00.0%1.6%
Construction:6084.6%6.9%
Manufacturing:3422.6%10.0%
Wholesale trade:1571.2%2.4%
Retail trade:1,54211.7%11.0%
Transportation, warehousing, utilities:8366.4%5.8%
Information:3132.4%1.9%
Finance, insurance, real estate:5994.6%6.7%
Professional, scientific, management:1,70713.0%12.1%
Education, health care, social services:4,34533.0%23.3%
Arts, entertainment, food services:1,45111.0%9.0%
Other services:6114.6%4.7%
Public administration:6444.9%4.7%

Poverty Status (02121 zip code)

#%US
Poverty Rate:--24.5%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 (02121 zip code)

#%US
With health insurance:28,67696.2%91.3%
Private health insurance:12,48741.9%67.6%
Public health coverage:18,05860.6%35.9%
Without health insurance:1,1423.8%8.7%

Benefits & Assistance (02121 zip code)

Households with:#%US
Earnings:7,98375.9%77.4%
Social Security income:2,47523.5%31.0%
Retirement income:9849.4%21.8%
Supplemental Security Income (SSI):1,60715.3%4.5%
Cash public assistance income:6416.1%1.8%
SNAP (food stamps) benefits:4,60743.8%11.4%

Housing Types (02121 zip code)

Structure TypeUnits%US
1-unit, detached:7726.7%61.4%
1-unit, attached:6875.9%6.1%
2 units:1,85616.0%3.4%
3 or 4 units:4,50438.9%4.3%
5 to 9 units:2,07617.9%4.6%
10 to 19 units:1,24310.7%4.3%
20 or more units:4463.9%9.9%
Mobile home:00.0%5.8%
Boat, RV, van, etc.:00.0%0.1%

Year Structure Built (02121 zip code)

Year BuiltUnits%US
Built 2020 or later:00.0%0.6%
Built 2010 to 2019:4714.1%8.2%
Built 2000 to 2009:4303.7%13.5%
Built 1990 to 1999:6155.3%13.2%
Built 1980 to 1989:4523.9%13.2%
Built 1970 to 1979:1,1499.9%14.6%
Built 1960 to 1969:1,0919.4%10.2%
Built 1950 to 1959:1,33211.5%9.9%
Built 1940 to 1949:5484.7%4.6%
Built 1939 or earlier:5,49647.4%12.0%

Bedrooms (02121 zip code)

Number of BedroomsUnits%US
No bedroom (studio):1841.6%2.4%
1 bedroom:1,61614.0%3.0%
2 bedrooms:4,55739.3%9.1%
3 bedrooms:3,34728.9%15.9%
4 bedrooms:1,1409.8%18.8%
5 or more bedrooms:7406.4%17.6%

Heating Fuel (02121 zip code)

Fuel TypeUnits%US
Utility gas:6,04757.5%47.1%
Bottled, tank, or LP gas:2782.6%4.9%
Electricity:3,24530.9%40.2%
Fuel oil, kerosene, etc.:8147.7%4.2%
Coal or coke:00.0%0.1%
Wood:250.2%1.5%
Solar energy:00.0%0.1%
Other fuel:220.2%0.5%
No fuel used:820.8%0.2%

Vehicles Available (02121 zip code)

VehiclesHouseholds%US
No vehicle available:3,91037.2%8.3%
1 vehicle available:4,32941.2%32.6%
2 vehicles available:1,55314.8%37.0%
3 or more vehicles available:7216.9%22.1%

Home Value Distribution (02121 zip code)

Value RangeOwner Units%US
Less than $50,000:2269.3%5.7%
$50,000 to $99,999:00.0%7.8%
$100,000 to $149,999:271.1%9.2%
$150,000 to $199,999:251.0%10.8%
$200,000 to $299,999:29712.3%19.9%
$300,000 to $499,999:59724.7%24.1%
$500,000 to $999,999:1,12046.3%17.0%
$1,000,000 or more:1265.2%5.6%

Housing Costs (02121 zip code)

ValueUS
Median owner costs (with mortgage):$2,511 / mo.$1,828 / mo.
Median owner costs (no mortgage):$981 / mo.$584 / mo.
Median gross rent:$1,282 / mo.$1,268 / mo.
Average household size (owner-occupied):2.892.53
Average household size (renter-occupied):2.802.38

Households (02121 zip code)

#%US
Total households:10,513----
Married-couple households:2,65125.2%47.5%
Cohabiting couple households:1,05810.1%7.0%
Male householder, no spouse:1,98018.8%5.4%
Female householder, no spouse:5,32450.6%12.7%
Householder living alone:3,81936.3%28.6%
65 years and over living alone:2,62024.9%11.8%
Average household size:2.82--2.53
Average family size:3.52----

Marital Status (02121 zip code)

Population 15 years and over#%US
Total:10,313----
Never married:5,33951.8%37.0%
Now married:3,79536.8%49.5%
Separated:2092.0%1.5%
Widowed:7927.7%2.6%
Divorced:7,27170.5%9.3%

School Enrollment (02121 zip code)

Population 3 years and over#%US
Enrolled in school:8,163----
Nursery school, preschool:4125.0%5.8%
Kindergarten:4024.9%5.0%
Elementary school (grades 1-8):3,64544.7%40.5%
High school (grades 9-12):1,59719.6%21.4%
College or graduate school:2,10725.8%27.3%

Veterans & Disability (02121 zip code)

#%US
Civilian population 18 years and over:22,333----
Veterans:6613.0%6.3%
Civilian noninstitutionalized population:29,818----
With a disability:4,86316.3%13.4%
Under 18 with disability:75715.6%5.8%
18 to 64 with disability:2,65154.5%10.4%
65 and over with disability:1,45529.9%33.4%

Mobility (Residence 1 Year Ago) (02121 zip code)

Population 1 year and over#%US
Same house:26,90090.2%86.9%
Different house:2,5018.4%13.1%
Same county:1,66966.7%7.0%
Different county:58923.6%3.2%
Different state:1706.8%2.5%
Abroad:2439.7%0.4%

Place of Birth (02121 zip code)

#%US
Native born:19,13864.2%86.2%
Foreign born:2,1357.2%13.9%
Naturalized citizen:10,682500.3%52.7%
Not a citizen:10,682500.3%47.3%
Foreign-born by region:------
Europe:10,682500.3%10.5%
Asia:28013.1%31.3%
Africa:1,96391.9%5.5%
Oceania:00.0%0.5%
Latin America:8,223385.2%50.0%
Northern America:512.4%2.2%

Language Spoken at Home (02121 zip code)

Population 5 years and over#%US
Total:27,890----
English only:16,77360.1%78.3%
Language other than English:11,11739.9%21.5%
By language:------
Spanish:7,58927.2%13.3%
Other Indo-European languages:2,5849.3%3.5%
Asian/Pacific Island languages:280.1%3.5%
Other languages:9163.3%1.0%

Computers & Internet (02121 zip code)

Households%US
Households with a computer:10,513100.0%93.1%
Households with broadband internet:9,32588.7%89.4%