ZIP 01515 vs ZIP 01521
A side-by-side comparison of ZIP Code 01515 and ZIP Code 01521: population, income, housing, and more.
ZIP 01515 and ZIP 01521 are ZIP Code areas in Massachusetts. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
ZIP 01521 has the higher population (2,576 vs 2,120 in ZIP 01515). ZIP 01521 has the higher median household income ($86,806 vs $76,382 in ZIP 01515). ZIP 01515 has the higher median home value ($342,400 vs $288,700 in ZIP 01521).
Population, income & housing
| ZIP 01515 | ZIP 01521 | |
|---|---|---|
| Population | 2,120 | 2,576 |
| Median age | 52.1 yrs | 49.5 yrs |
| Median household income | $76,382 | $86,806 |
| Median home value | $342,400 | $288,700 |
| Median gross rent | $997 | $1,750 |
| Housing units | 1,014 | 1,524 |
| Homeownership rate | 82.0% | 96.0% |
| Bachelor's degree or higher | 26.5% | 34.2% |
| Unemployment rate | 6.2% | 5.8% |
Trends (ACS 5-year, 2019–2023)
| ZIP 01515 | ZIP 01521 | |
|---|---|---|
| Population | 2,040 → 2,120 (+3.9%) | 2,630 → 2,576 (-2.1%) |
| Median household income | $82,946 → $76,382 (-7.9%) | $82,179 → $86,806 (+5.6%) |
| Median home value | $249,200 → $342,400 (+37.4%) | $250,600 → $288,700 (+15.2%) |
| Median gross rent | $982 → $997 (+1.5%) | $1,278 → $1,750 (+36.9%) |
ZIP 01515
2,0402,120
$82,946$76,382
$249,200$342,400
$982$997
ZIP 01521
2,6302,576
$82,179$86,806
$250,600$288,700
$1,278$1,750
Age & race/ethnicity
Age distribution (share)
| ZIP 01515 | ZIP 01521 | |
|---|---|---|
| Under 5 | 5.0% | 4.2% |
| 5 to 17 | 10.4% | 11.7% |
| 18 to 24 | 7.4% | 6.9% |
| 25 to 34 | 10.1% | 14.0% |
| 35 to 44 | 10.6% | 9.3% |
| 45 to 54 | 9.1% | 10.8% |
| 55 to 64 | 16.1% | 18.8% |
| 65 to 74 | 17.0% | 17.9% |
| 75 and over | 14.3% | 6.3% |
Race & ethnicity (share)
| ZIP 01515 | ZIP 01521 | |
|---|---|---|
| White (non-Hispanic) | 88.3% | 88.7% |
| Black or African American | 0.2% | 0.0% |
| American Indian & Alaska Native | 0.0% | 0.6% |
| Asian | 0.9% | 5.7% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.0% |
| Some other race | 0.0% | 0.0% |
| Two or more races | 4.3% | 1.7% |
| Hispanic or Latino | 6.2% | 3.3% |
Educational attainment (age 25+)
Share of adults 25+
| ZIP 01515 | ZIP 01521 | |
|---|---|---|
| No high school diploma | 5.1% | 5.1% |
| High school graduate | 40.0% | 30.8% |
| Some college or associate's | 28.4% | 29.9% |
| Bachelor's degree | 19.6% | 22.7% |
| Graduate or professional degree | 6.8% | 11.4% |
Commute to work
How workers get to work (share)
| ZIP 01515 | ZIP 01521 | |
|---|---|---|
| Drove alone | 86.4% | 85.9% |
| Carpooled | 2.4% | 5.4% |
| Public transit | 0.0% | 0.0% |
| Walked | 5.1% | 2.4% |
| Bicycle | 0.0% | 0.0% |
| Worked from home | 6.1% | 6.3% |
| Other means | 0.0% | 0.0% |
Housing
Units in structure (share)
| ZIP 01515 | ZIP 01521 | |
|---|---|---|
| 1-unit, detached | 85.1% | 98.1% |
| 1-unit, attached | 0.0% | 0.2% |
| 2 to 4 units | 11.6% | 1.0% |
| 5 to 19 units | 0.6% | 0.0% |
| 20 or more units | 2.7% | 0.0% |
| Mobile home & other | 0.0% | 0.7% |
Poverty & households
| ZIP 01515 | ZIP 01521 | |
|---|---|---|
| Poverty rate | 4.3% | 5.0% |
| Average household size | 2.34 | 2.21 |
| Mean commute (minutes) | 33 | 36 |
| Median year structure built | 1961 | 1976 |