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ZIP CODE TABULATION AREA

02121

Massachusetts · 29,040 residents · 1.89 sq mi
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With 29,040 people, ZIP 02121 is a ZIP code in Suffolk County. 23% of homes are owner-occupied. The foreign-born share is 39%. That trails the Suffolk County median by roughly 55%. Four-year degrees are less common here than nationally, at 20% of adults. Density works out to 15,398 people per square mile. Among the 32 ZIP codes in Suffolk County, 02121 ranks 32nd by median household income.

$43,136
US average: $82,259
$29,051
US average: $44,673
$590,200
US average: $376,019
19.9%
US average: 35.6%
Land area
1.89 sq mi
Age, sex & households
Under 18
26.9%
Age 65+
12.1%
44.3%
55.7%
2.68 people
Race & ethnicity · 2024
2024
White, non-Hispanic5.3%(1,530)
Black40.9%(11,888)
Hispanic / Latino40.9%(11,888)
Asian1.9%(564)
Other10.9%(3,170)
81
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Housing
13.7
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Within Suffolk County
Income rank vs other ZIPs
LOWEST32ND OF 32HIGHEST
Adjacent ZIPs
02108$212,928
02109$158,843
02110$138,438
02111$87,404
Frequently asked

How many people live in ZIP code 02121?

ZIP code 02121 has about 29,040 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 02121?

The typical household in ZIP code 02121 earns about $43,136 a year. Half of households make more than that, and half make less.

Is ZIP code 02121 expensive?

In ZIP code 02121, the median home is worth about $590,200, and the typical rent is about $1,325 a month.

How educated are people in ZIP code 02121?

About 19.9% of adults age 25 and over in ZIP code 02121 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 02121?

About 25.0% of people in ZIP code 02121 live below the federal poverty line.

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DATA: US CENSUS BUREAU ACS 5-YEAR · ZCTA · UPDATED 2024