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ZIP CODE TABULATION AREA

01803

Massachusetts · 26,274 residents · 11.271 sq mi
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ZIP 01803 is significantly wealthier than the US average, with a median household income of $146,436. Population has held roughly steady since 2024. 58% of adults hold a bachelor's degree or higher, well above the national rate of 36%. Median home value is $740,600. With a median age of 45.9, the population is older than the US median of 38.9. Among the 81 ZIP codes in Middlesex County, 01803 ranks 37th by median household income.

$146,436
US average: $82,259
$740,600
US average: $376,019
58.4%
US average: 35.6%
Age, sex & households
Under 18
17.1%
Age 65+
21.9%
48.8%
51.2%
2.61 people
Race & ethnicity · 2024
2024
White, non-Hispanic74.4%(19,541)
Black1.8%(485)
Hispanic / Latino5%(1,319)
Asian14.5%(3,807)
Other4.3%(1,122)
Diversity Score52.6%(13,832)
Housing
Commute & vehicles
Work & employment
People & community
Affordability & inequality
Within Middlesex County
Income rank vs other ZIPs
LOWEST37TH 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 01803?

ZIP code 01803 has about 26,274 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 01803?

The typical household in ZIP code 01803 earns about $146,436 a year. Half of households make more than that, and half make less.

Is ZIP code 01803 expensive?

In ZIP code 01803, the median home is worth about $740,600, and the typical rent is about $2,718 a month.

How educated are people in ZIP code 01803?

About 58.4% of adults age 25 and over in ZIP code 01803 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 01803?

About 5.9% of people in ZIP code 01803 live below the federal poverty line.

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