ZIP 01821 vs ZIP 01830
A side-by-side comparison of ZIP Code 01821 and ZIP Code 01830: population, income, housing, and more.
ZIP 01821 and ZIP 01830 are ZIP Code areas in Massachusetts. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
ZIP 01821 has the higher population (30,203 vs 26,685 in ZIP 01830). ZIP 01821 has the higher median household income ($142,564 vs $79,784 in ZIP 01830). ZIP 01821 has the higher median home value ($581,300 vs $436,400 in ZIP 01830).
Population, income & housing
| ZIP 01821 | ZIP 01830 | |
|---|---|---|
| Population | 30,203 | 26,685 |
| Median age | 44.6 yrs | 39.2 yrs |
| Median household income | $142,564 | $79,784 |
| Median home value | $581,300 | $436,400 |
| Median gross rent | $2,211 | $1,602 |
| Housing units | 11,666 | 11,159 |
| Homeownership rate | 81.1% | 56.9% |
| Bachelor's degree or higher | 41.7% | 30.4% |
| Unemployment rate | 3.0% | 7.7% |
Trends (ACS 5-year, 2019–2023)
| ZIP 01821 | ZIP 01830 | |
|---|---|---|
| Population | 32,797 → 30,203 (-7.9%) | 26,305 → 26,685 (+1.4%) |
| Median household income | $106,141 → $142,564 (+34.3%) | $65,224 → $79,784 (+22.3%) |
| Median home value | $408,600 → $581,300 (+42.3%) | $310,700 → $436,400 (+40.5%) |
| Median gross rent | $1,569 → $2,211 (+40.9%) | $1,197 → $1,602 (+33.8%) |
ZIP 01821
32,79730,203
$106,141$142,564
$408,600$581,300
$1,569$2,211
ZIP 01830
26,30526,685
$65,224$79,784
$310,700$436,400
$1,197$1,602
Age & race/ethnicity
Age distribution (share)
| ZIP 01821 | ZIP 01830 | |
|---|---|---|
| Under 5 | 4.3% | 5.0% |
| 5 to 17 | 13.1% | 17.3% |
| 18 to 24 | 7.1% | 8.0% |
| 25 to 34 | 13.8% | 13.6% |
| 35 to 44 | 12.2% | 13.0% |
| 45 to 54 | 13.8% | 12.1% |
| 55 to 64 | 16.7% | 14.0% |
| 65 to 74 | 12.2% | 10.0% |
| 75 and over | 6.8% | 7.0% |
Race & ethnicity (share)
| ZIP 01821 | ZIP 01830 | |
|---|---|---|
| White (non-Hispanic) | 79.8% | 61.3% |
| Black or African American | 3.4% | 3.0% |
| American Indian & Alaska Native | 0.0% | 0.0% |
| Asian | 9.4% | 1.1% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.0% |
| Some other race | 0.5% | 0.8% |
| Two or more races | 3.2% | 4.0% |
| Hispanic or Latino | 3.7% | 29.8% |
Educational attainment (age 25+)
Share of adults 25+
| ZIP 01821 | ZIP 01830 | |
|---|---|---|
| No high school diploma | 5.3% | 11.4% |
| High school graduate | 25.6% | 30.9% |
| Some college or associate's | 27.4% | 27.4% |
| Bachelor's degree | 25.3% | 18.6% |
| Graduate or professional degree | 16.4% | 11.7% |
Commute to work
How workers get to work (share)
| ZIP 01821 | ZIP 01830 | |
|---|---|---|
| Drove alone | 68.9% | 74.6% |
| Carpooled | 7.9% | 7.3% |
| Public transit | 1.7% | 1.4% |
| Walked | 0.8% | 2.5% |
| Bicycle | 0.0% | 0.4% |
| Worked from home | 19.9% | 12.6% |
| Other means | 0.8% | 1.1% |
Housing
Units in structure (share)
| ZIP 01821 | ZIP 01830 | |
|---|---|---|
| 1-unit, detached | 74.3% | 39.3% |
| 1-unit, attached | 6.0% | 9.3% |
| 2 to 4 units | 4.4% | 25.9% |
| 5 to 19 units | 3.1% | 11.2% |
| 20 or more units | 11.8% | 14.2% |
| Mobile home & other | 0.3% | 0.1% |
Poverty & households
| ZIP 01821 | ZIP 01830 | |
|---|---|---|
| Poverty rate | 4.1% | 14.8% |
| Average household size | 2.61 | 2.47 |
| Mean commute (minutes) | 27 | 28 |
| Median year structure built | 1972 | 1954 |