US Census Data

ZIP 01720 vs ZIP 01721

A side-by-side comparison of ZIP Code 01720 and ZIP Code 01721: population, income, housing, and more.

ZIP 01720 and ZIP 01721 are ZIP Code areas in Massachusetts. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 01720 has the higher population (23,322 vs 18,694 in ZIP 01721). ZIP 01720 has the higher median household income ($154,101 vs $127,106 in ZIP 01721). ZIP 01720 has the higher median home value ($766,500 vs $586,000 in ZIP 01721).

Population, income & housing

ZIP 01720ZIP 01721
Population23,32218,694
Median age44.1 yrs41.7 yrs
Median household income$154,101$127,106
Median home value$766,500$586,000
Median gross rent$1,908$2,334
Housing units8,9377,995
Homeownership rate75.4%75.5%
Bachelor's degree or higher77.8%59.5%
Unemployment rate5.3%5.1%

Trends (ACS 5-year, 2019–2023)

ZIP 01720ZIP 01721
Population22,791 → 23,322 (+2.3%)17,710 → 18,694 (+5.6%)
Median household income$141,265 → $154,101 (+9.1%)$124,130 → $127,106 (+2.4%)
Median home value$588,100 → $766,500 (+30.3%)$401,900 → $586,000 (+45.8%)
Median gross rent$1,435 → $1,908 (+33.0%)$1,455 → $2,334 (+60.4%)

ZIP 01720

Population
22,79123,322
Median household income
$141,265$154,101
Median home value
$588,100$766,500
Median gross rent
$1,435$1,908

ZIP 01721

Population
17,71018,694
Median household income
$124,130$127,106
Median home value
$401,900$586,000
Median gross rent
$1,455$2,334

Age & race/ethnicity

Age distribution (share)

ZIP 01720ZIP 01721
Under 53.5%5.0%
5 to 1720.6%13.6%
18 to 246.3%6.2%
25 to 346.3%14.2%
35 to 4415.4%16.3%
45 to 5415.8%12.9%
55 to 6415.7%14.5%
65 to 749.4%10.2%
75 and over6.9%7.1%

Race & ethnicity (share)

ZIP 01720ZIP 01721
White (non-Hispanic)62.5%66.0%
Black or African American4.1%5.1%
American Indian & Alaska Native0.0%0.2%
Asian24.2%15.0%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race1.3%2.4%
Two or more races4.1%3.7%
Hispanic or Latino3.7%7.6%

Educational attainment (age 25+)

Share of adults 25+

ZIP 01720ZIP 01721
No high school diploma2.5%2.0%
High school graduate7.0%15.8%
Some college or associate's12.6%22.7%
Bachelor's degree32.1%30.3%
Graduate or professional degree45.7%29.2%

Commute to work

How workers get to work (share)

ZIP 01720ZIP 01721
Drove alone55.5%63.7%
Carpooled4.7%7.3%
Public transit2.8%5.6%
Walked1.9%2.0%
Bicycle0.1%0.0%
Worked from home34.2%20.9%
Other means0.8%0.6%

Housing

Units in structure (share)

ZIP 01720ZIP 01721
1-unit, detached65.7%55.7%
1-unit, attached6.0%13.8%
2 to 4 units4.9%15.1%
5 to 19 units12.7%7.1%
20 or more units10.1%8.3%
Mobile home & other0.7%0.0%

Poverty & households

ZIP 01720ZIP 01721
Poverty rate3.5%4.1%
Average household size2.622.45
Mean commute (minutes)3536
Median year structure built19741983

Full profiles

2
ZIP 01720 vs ZIP 01721: Compare Population & Demographics | US Census Data