CensusEasy
ZIP CODE TABULATION AREA

01721

Massachusetts · 18,873 residents · 12.338 sq mi
Compare

ZIP 01721 is significantly wealthier than the US average, with a median household income of $127,539. Population has held roughly steady since 2024. 61% of adults hold a bachelor's degree or higher, well above the national rate of 36%. Median home value is $611,700. Poverty is rare here, at 3.5% of residents. Among the 81 ZIP codes in Middlesex County, 01721 ranks 53rd by median household income.

$127,539
US average: $82,259
$611,700
US average: $376,019
60.7%
US average: 35.6%
Age, sex & households
Under 18
18.4%
Age 65+
18.2%
48.8%
51.2%
2.44 people
Race & ethnicity · 2024
2024
White, non-Hispanic62.7%(11,830)
Black4.9%(930)
Hispanic / Latino8.7%(1,651)
Asian15.6%(2,952)
Other8%(1,510)
Diversity Score70.8%(13,356)
Housing
Commute & vehicles
Work & employment
People & community
Affordability & inequality
Within Middlesex County
Income rank vs other ZIPs
LOWEST53RD 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 01721?

ZIP code 01721 has about 18,873 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 01721?

The typical household in ZIP code 01721 earns about $127,539 a year. Half of households make more than that, and half make less.

Is ZIP code 01721 expensive?

In ZIP code 01721, the median home is worth about $611,700, and the typical rent is about $2,452 a month.

How educated are people in ZIP code 01721?

About 60.7% of adults age 25 and over in ZIP code 01721 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 01721?

About 3.5% of people in ZIP code 01721 live below the federal poverty line.

Keep going

Explore from here

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