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ZIP CODE TABULATION AREA

01521

Massachusetts · 2,583 residents · 12.282 sq mi
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ZIP 01521 is wealthier than most US places, with a median household income of $91,979. Population has held roughly steady since 2024. Median home value is $333,600. With a median age of 51.9, the population is older than the US median of 38.9. Poverty is rare here, at 5.9% of residents. Households here earn about 29% more than the Hampden County median. Among the 37 ZIP codes in Hampden County, 01521 ranks 13th by median household income.

$91,979
US average: $82,259
$333,600
US average: $376,019
35.3%
US average: 35.6%
Age, sex & households
Under 18
15.8%
Age 65+
27.8%
50.9%
49.1%
2.18 people
Race & ethnicity · 2024
2024
White, non-Hispanic86.6%(2,236)
Black1.7%(45)
Hispanic / Latino4.7%(121)
Asian5%(128)
Other2.1%(53)
Diversity Score30.7%(792)
Housing
Commute & vehicles
Work & employment
People & community
Affordability & inequality
Within Hampden County
Income rank vs other ZIPs
LOWEST13TH OF 37HIGHEST
Adjacent ZIPs
01001$75,342
01008$97,554
01009$72,841
01010$111,250
Frequently asked

How many people live in ZIP code 01521?

ZIP code 01521 has about 2,583 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 01521?

The typical household in ZIP code 01521 earns about $91,979 a year. Half of households make more than that, and half make less.

Is ZIP code 01521 expensive?

In ZIP code 01521, the median home is worth about $333,600, and the typical rent is about $1,750 a month.

How educated are people in ZIP code 01521?

About 35.3% of adults age 25 and over in ZIP code 01521 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 01521?

About 5.9% of people in ZIP code 01521 live below the federal poverty line.

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