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ZIP CODE TABULATION AREA

02138

Massachusetts · 38,509 residents · 2.738 sq mi
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ZIP 02138 is significantly wealthier than the US average, with a median household income of $119,967. Population has held roughly steady since 2024. 86% of adults hold a bachelor's degree or higher, well above the national rate of 36%. Median home value is $1,212,400. At a median age of 28.3, residents skew younger than the country as a whole. Among the 81 ZIP codes in Middlesex County, 02138 ranks 61st by median household income.

$119,967
US average: $82,259
$1,212,400
US average: $376,019
85.6%
US average: 35.6%
Age, sex & households
Under 18
13.1%
Age 65+
14.4%
48.1%
51.9%
2.04 people
Race & ethnicity · 2024
2024
White, non-Hispanic58.8%(22,655)
Black6.7%(2,575)
Hispanic / Latino10%(3,855)
Asian17%(6,553)
Other7.5%(2,871)
Diversity Score75.6%(29,117)
Housing
Commute & vehicles
Work & employment
People & community
Affordability & inequality
Within Middlesex County
Income rank vs other ZIPs
LOWEST61ST OF 81HIGHEST
Adjacent ZIPs
01431$115,598
01432$101,966
01450$193,292
01460$149,722
Frequently asked

How many people live in ZIP code 02138?

ZIP code 02138 has about 38,509 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 02138?

The typical household in ZIP code 02138 earns about $119,967 a year. Half of households make more than that, and half make less.

Is ZIP code 02138 expensive?

In ZIP code 02138, the median home is worth about $1,212,400, and the typical rent is about $2,772 a month.

How educated are people in ZIP code 02138?

About 85.6% of adults age 25 and over in ZIP code 02138 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 02138?

About 13.5% of people in ZIP code 02138 live below the federal poverty line.

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