CensusEasy
ZIP CODE TABULATION AREA

01801

Massachusetts · 41,939 residents · 12.705 sq mi
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ZIP 01801 is significantly wealthier than the US average, with a median household income of $111,185. Population has held roughly steady since 2024. 46% of adults hold a bachelor's degree or higher. Median home value is $673,500. Among the 81 ZIP codes in Middlesex County, 01801 ranks 67th by median household income.

$111,185
US average: $82,259
$673,500
US average: $376,019
46.5%
US average: 35.6%
Age, sex & households
Under 18
17.9%
Age 65+
15.7%
48.6%
51.4%
2.54 people
Race & ethnicity · 2024
2024
White, non-Hispanic71.7%(30,069)
Black4.4%(1,857)
Hispanic / Latino8.1%(3,397)
Asian8%(3,365)
Other7.8%(3,251)
Diversity Score58.1%(24,376)
Housing
Commute & vehicles
Work & employment
People & community
Affordability & inequality
Within Middlesex County
Income rank vs other ZIPs
LOWEST67TH 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 01801?

ZIP code 01801 has about 41,939 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 01801?

The typical household in ZIP code 01801 earns about $111,185 a year. Half of households make more than that, and half make less.

Is ZIP code 01801 expensive?

In ZIP code 01801, the median home is worth about $673,500, and the typical rent is about $2,221 a month.

How educated are people in ZIP code 01801?

About 46.5% of adults age 25 and over in ZIP code 01801 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 01801?

About 7.9% of people in ZIP code 01801 live below the federal poverty line.

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