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ZIP CODE TABULATION AREA

01921

Massachusetts · 8,250 residents · 23.594 sq mi
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ZIP 01921 is significantly wealthier than the US average, with a median household income of $200,672. Population has held roughly steady since 2024. 71% of adults hold a bachelor's degree or higher, well above the national rate of 36%. Median home value is $904,200. With a median age of 49.3, the population is older than the US median of 38.9. Households here earn about 97% more than the Essex County median. Among the 43 ZIP codes in Essex County, 01921 ranks 3rd by median household income.

$200,672
US average: $82,259
$904,200
US average: $376,019
70.6%
US average: 35.6%
Age, sex & households
Under 18
23.6%
Age 65+
21.6%
53.0%
47.0%
2.96 people
Race & ethnicity · 2024
2024
White, non-Hispanic91.4%(7,541)
Black0.3%(25)
Hispanic / Latino1.6%(133)
Asian1.1%(90)
Other5.6%(461)
Diversity Score20.1%(1,660)
Housing
Commute & vehicles
Work & employment
People & community
Affordability & inequality
Within Essex County
Income rank vs other ZIPs
LOWEST3RD OF 43HIGHEST
Adjacent ZIPs
01810$172,606
01830$78,571
01832$83,041
01833$153,750
Frequently asked

How many people live in ZIP code 01921?

ZIP code 01921 has about 8,250 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 01921?

The typical household in ZIP code 01921 earns about $200,672 a year. Half of households make more than that, and half make less.

Is ZIP code 01921 expensive?

In ZIP code 01921, the median home is worth about $904,200, and the typical rent is about $776 a month.

How educated are people in ZIP code 01921?

About 70.6% of adults age 25 and over in ZIP code 01921 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 01921?

About 3.1% of people in ZIP code 01921 live below the federal poverty line.

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