US Census Data

ZIP 01921 vs ZIP 01929

A side-by-side comparison of ZIP Code 01921 and ZIP Code 01929: population, income, housing, and more.

ZIP 01921 and ZIP 01929 are ZIP Code areas in Massachusetts. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 01921 has the higher population (8,229 vs 3,605 in ZIP 01929). ZIP 01921 has the higher median household income ($190,526 vs $151,509 in ZIP 01929). ZIP 01921 has the higher median home value ($874,900 vs $828,200 in ZIP 01929).

Population, income & housing

ZIP 01921ZIP 01929
Population8,2293,605
Median age49.5 yrs44.3 yrs
Median household income$190,526$151,509
Median home value$874,900$828,200
Median gross rent$736$1,828
Housing units2,9611,527
Homeownership rate94.5%76.7%
Bachelor's degree or higher69.2%68.5%
Unemployment rate3.1%1.1%

Trends (ACS 5-year, 2019–2023)

ZIP 01921ZIP 01929
Population8,282 → 8,229 (-0.6%)3,745 → 3,605 (-3.7%)
Median household income$184,007 → $190,526 (+3.5%)$106,283 → $151,509 (+42.6%)
Median home value$678,700 → $874,900 (+28.9%)$574,600 → $828,200 (+44.1%)
Median gross rent$870 → $736 (-15.4%)$1,134 → $1,828 (+61.2%)

ZIP 01921

Population
8,2828,229
Median household income
$184,007$190,526
Median home value
$678,700$874,900
Median gross rent
$870$736

ZIP 01929

Population
3,7453,605
Median household income
$106,283$151,509
Median home value
$574,600$828,200
Median gross rent
$1,134$1,828

Age & race/ethnicity

Age distribution (share)

ZIP 01921ZIP 01929
Under 53.8%6.7%
5 to 1720.2%18.4%
18 to 245.2%4.8%
25 to 345.8%9.6%
35 to 4410.6%11.4%
45 to 5416.2%18.8%
55 to 6417.6%16.5%
65 to 7414.1%8.7%
75 and over6.5%5.1%

Race & ethnicity (share)

ZIP 01921ZIP 01929
White (non-Hispanic)91.0%98.0%
Black or African American0.4%0.0%
American Indian & Alaska Native0.0%0.0%
Asian1.0%0.0%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.7%0.0%
Two or more races4.3%1.1%
Hispanic or Latino2.6%0.9%

Educational attainment (age 25+)

Share of adults 25+

ZIP 01921ZIP 01929
No high school diploma2.2%4.2%
High school graduate11.8%11.2%
Some college or associate's16.9%16.1%
Bachelor's degree42.0%40.0%
Graduate or professional degree27.1%28.5%

Commute to work

How workers get to work (share)

ZIP 01921ZIP 01929
Drove alone68.3%64.8%
Carpooled3.7%7.2%
Public transit1.4%0.4%
Walked3.0%5.6%
Bicycle0.0%0.0%
Worked from home19.0%20.9%
Other means4.5%1.1%

Housing

Units in structure (share)

ZIP 01921ZIP 01929
1-unit, detached85.1%71.4%
1-unit, attached3.2%6.4%
2 to 4 units5.9%17.6%
5 to 19 units1.9%4.7%
20 or more units2.6%0.0%
Mobile home & other1.4%0.0%

Poverty & households

ZIP 01921ZIP 01929
Poverty rate2.2%6.1%
Average household size2.832.74
Mean commute (minutes)3424
Median year structure built19771969

Full profiles

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