01521 can be classified socioeconomically as 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 01521 is White. The majority race/ethnicity attending public schools in 01521 is White. The current unemployment level in 01521 is 4.6%.
| Population | 2,585 |
| Population Growth Rate | 3.23% |
| Population Density | 202 People per Square Mile |
| Total Households | 997 |
| Percentage High Income Households | 2.4% |
| Median Household Income (2021) | $82,500 |
| Average Adjusted Gross Income (2021) | $314,800 |
| Current Unemployment Rate (May 2026) | 4.6% |
| Sales Tax Rate (2025) | 6.2% |
| Majority Race/Ethnicty | White - 94.26% |
| Public School Majority Race/Ethnicty | White - 87.63% |
01521 Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 2,478 | 94.26% |
| Black | 14 | 0.53% |
| Hispanic | 110 | 4.18% |
| Asian | 17 | 0.65% |
| Native American | 10 | 0.38% |
| Hawaiian/Pac. Islander | 0 | 0% |
01521 Public School Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 170 | 89.47% |
| Black | 1 | 0.53% |
| Hispanic | 15 | 7.89% |
| Asian | 3 | 1.58% |
| Native American | 1 | 0.53% |
| Hawaiian/Pac. Islander | 0 | 0% |
01521 Educational Attainment Levels
| Highest Education Level Attained | Total | Percentage |
|---|
| Less Than 1 Year of College | 135 | 8.12% |
| Bachelor Degree | 384 | 23.09% |
| High School Diploma | 525 | 31.57% |
| No High School Diploma | 20 | 1.2% |
| GED or Alternate | 62 | 3.73% |
| 1 or More Years of College | 268 | 16.12% |
| Associates Degree | 147 | 8.84% |
| Masters Degree | 105 | 6.31% |
| Professional Degree | 6 | 0.36% |
| Doctorate Degree | 11 | 0.66% |