ZIP 01721 vs ZIP 01731
A side-by-side comparison of ZIP Code 01721 and ZIP Code 01731: population, income, housing, and more.
ZIP 01721 and ZIP 01731 are ZIP Code areas in Massachusetts. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
ZIP 01721 has the higher population (18,694 vs 1,745 in ZIP 01731). ZIP 01721 has the higher median household income ($127,106 vs $101,194 in ZIP 01731). Since 2019, ZIP 01721's population has grown faster (+5.6% vs -15.3%).
Population, income & housing
| ZIP 01721 | ZIP 01731 | |
|---|---|---|
| Population | 18,694 | 1,745 |
| Median age | 41.7 yrs | 27.9 yrs |
| Median household income | $127,106 | $101,194 |
| Median home value | $586,000 | — |
| Median gross rent | $2,334 | $3,501 |
| Housing units | 7,995 | 495 |
| Homeownership rate | 75.5% | 0.0% |
| Bachelor's degree or higher | 59.5% | 39.8% |
| Unemployment rate | 5.1% | 1.1% |
Trends (ACS 5-year, 2019–2023)
| ZIP 01721 | ZIP 01731 | |
|---|---|---|
| Population | 17,710 → 18,694 (+5.6%) | 2,059 → 1,745 (-15.3%) |
| Median household income | $124,130 → $127,106 (+2.4%) | $107,778 → $101,194 (-6.1%) |
| Median home value | $401,900 → $586,000 (+45.8%) | — |
| Median gross rent | $1,455 → $2,334 (+60.4%) | $3,143 → $3,501 (+11.4%) |
ZIP 01721
17,71018,694
$124,130$127,106
$401,900$586,000
$1,455$2,334
ZIP 01731
2,0591,745
$107,778$101,194
$3,143$3,501
Age & race/ethnicity
Age distribution (share)
| ZIP 01721 | ZIP 01731 | |
|---|---|---|
| Under 5 | 5.0% | 13.9% |
| 5 to 17 | 13.6% | 28.3% |
| 18 to 24 | 6.2% | 6.0% |
| 25 to 34 | 14.2% | 15.5% |
| 35 to 44 | 16.3% | 26.2% |
| 45 to 54 | 12.9% | 4.2% |
| 55 to 64 | 14.5% | 6.0% |
| 65 to 74 | 10.2% | 0.0% |
| 75 and over | 7.1% | 0.0% |
Race & ethnicity (share)
| ZIP 01721 | ZIP 01731 | |
|---|---|---|
| White (non-Hispanic) | 66.0% | 34.9% |
| Black or African American | 5.1% | 0.7% |
| American Indian & Alaska Native | 0.2% | 0.0% |
| Asian | 15.0% | 16.3% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.0% |
| Some other race | 2.4% | 4.2% |
| Two or more races | 3.7% | 1.0% |
| Hispanic or Latino | 7.6% | 42.9% |
Educational attainment (age 25+)
Share of adults 25+
| ZIP 01721 | ZIP 01731 | |
|---|---|---|
| No high school diploma | 2.0% | 0.0% |
| High school graduate | 15.8% | 6.6% |
| Some college or associate's | 22.7% | 53.6% |
| Bachelor's degree | 30.3% | 14.1% |
| Graduate or professional degree | 29.2% | 25.6% |
Commute to work
How workers get to work (share)
| ZIP 01721 | ZIP 01731 | |
|---|---|---|
| Drove alone | 63.7% | 81.0% |
| Carpooled | 7.3% | 0.9% |
| Public transit | 5.6% | 2.2% |
| Walked | 2.0% | 1.3% |
| Bicycle | 0.0% | 0.8% |
| Worked from home | 20.9% | 13.9% |
| Other means | 0.6% | 0.0% |
Housing
Units in structure (share)
| ZIP 01721 | ZIP 01731 | |
|---|---|---|
| 1-unit, detached | 55.7% | 29.7% |
| 1-unit, attached | 13.8% | 40.2% |
| 2 to 4 units | 15.1% | 30.1% |
| 5 to 19 units | 7.1% | 0.0% |
| 20 or more units | 8.3% | 0.0% |
| Mobile home & other | 0.0% | 0.0% |
Poverty & households
| ZIP 01721 | ZIP 01731 | |
|---|---|---|
| Poverty rate | 4.1% | 0.0% |
| Average household size | 2.45 | 3.40 |
| Mean commute (minutes) | 36 | 17 |
| Median year structure built | 1983 | 1972 |