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ZIP CODE TABULATION AREA

01851

Massachusetts · 33,403 residents · 3.229 sq mi
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ZIP 01851 is wealthier than most US places, with a median household income of $92,401. Population has held roughly steady since 2024. Median home value is $467,000. Households here earn about 29% less than the Middlesex County median. Among the 81 ZIP codes in Middlesex County, 01851 ranks 75th by median household income.

$92,401
US average: $82,259
$467,000
US average: $376,019
30.2%
US average: 35.6%
Age, sex & households
Under 18
21.6%
Age 65+
11.5%
49.4%
50.6%
2.85 people
Race & ethnicity · 2024
2024
White, non-Hispanic30.8%(10,301)
Black8.8%(2,929)
Hispanic / Latino13%(4,349)
Asian41.4%(13,831)
Other6%(1,993)
Diversity Score88.2%(29,447)
Housing
Commute & vehicles
Work & employment
People & community
Affordability & inequality
Within Middlesex County
Income rank vs other ZIPs
LOWEST75TH 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 01851?

ZIP code 01851 has about 33,403 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 01851?

The typical household in ZIP code 01851 earns about $92,401 a year. Half of households make more than that, and half make less.

Is ZIP code 01851 expensive?

In ZIP code 01851, the median home is worth about $467,000, and the typical rent is about $1,714 a month.

How educated are people in ZIP code 01851?

About 30.2% of adults age 25 and over in ZIP code 01851 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 01851?

About 17.9% of people in ZIP code 01851 live below the federal poverty line.

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