01921 can be classified socioeconomically as Upper Middle Class class compared to other ZIP Codes in Massachusetts based on Median Household Income and Average Adjusted Gross Income. The majority race/ethnicity residing in 01921 is White. The majority race/ethnicity attending public schools in 01921 is White. The current unemployment level in 01921 is 4.6%.
| Population | 8,234 |
| Population Growth Rate | 0.45% |
| Population Density | 335 People per Square Mile |
| Total Households | 2,735 |
| Percentage High Income Households | 25.4% |
| Median Household Income (2021) | $186,899 |
| Average Adjusted Gross Income (2021) | $755,260 |
| Current Unemployment Rate (May 2026) | 4.6% |
| Sales Tax Rate (2025) | 6.2% |
| Majority Race/Ethnicity | White - 95.4% |
| Public School Majority Race/Ethnicity | White - 89.34% |
01921 Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|
| White | 7,786 | 95.4% |
| Black | 0 | 0% |
| Hispanic | 208 | 2.55% |
| Asian | 167 | 2.05% |
| Native American | 0 | 0% |
| Hawaiian/Pac. Islander | 0 | 0% |
01921 Public School Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|
| White | 2,111 | 92.26% |
| Black | 13 | 0.57% |
| Hispanic | 73 | 3.19% |
| Asian | 87 | 3.8% |
| Native American | 1 | 0.04% |
| Hawaiian/Pac. Islander | 3 | 0.13% |
01921 Educational Attainment Levels
| Highest Education Level | Total | Percentage |
|---|
| Less Than 1 Year of College | 223 | 4.14% |
| Bachelor Degree | 1,968 | 36.52% |
| High School Diploma | 741 | 13.75% |
| No High School Diploma | 27 | 0.5% |
| GED or Alternate | 33 | 0.61% |
| 1 or More Years of College | 467 | 8.67% |
| Associates Degree | 474 | 8.8% |
| Masters Degree | 969 | 17.98% |
| Professional Degree | 425 | 7.89% |
| Doctorate Degree | 62 | 1.15% |