01721 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 01721 is White. The majority race/ethnicity attending public schools in 01721 is White. The current unemployment level in 01721 is 4.6%.
| Population | 18,634 |
| Population Growth Rate | 6.68% |
| Population Density | 1,441 People per Square Mile |
| Total Households | 6,512 |
| Percentage High Income Households | 14.9% |
| Median Household Income (2021) | $115,959 |
| Average Adjusted Gross Income (2021) | $443,260 |
| Current Unemployment Rate (May 2026) | 4.6% |
| Sales Tax Rate (2025) | 6.2% |
| Majority Race/Ethnicity | White - 74.83% |
| Public School Majority Race/Ethnicity | White - 63.39% |
01721 Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|
| White | 14,135 | 74.83% |
| Black | 897 | 4.75% |
| Hispanic | 1,537 | 8.14% |
| Asian | 2,242 | 11.87% |
| Native American | 79 | 0.42% |
| Hawaiian/Pac. Islander | 0 | 0% |
01721 Public School Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|
| White | 1,730 | 65.68% |
| Black | 78 | 2.96% |
| Hispanic | 370 | 14.05% |
| Asian | 444 | 16.86% |
| Native American | 12 | 0.46% |
| Hawaiian/Pac. Islander | 0 | 0% |
01721 Educational Attainment Levels
| Highest Education Level | Total | Percentage |
|---|
| Less Than 1 Year of College | 384 | 3.45% |
| Bachelor Degree | 3,718 | 33.41% |
| High School Diploma | 2,305 | 20.71% |
| No High School Diploma | 130 | 1.17% |
| GED or Alternate | 101 | 0.91% |
| 1 or More Years of College | 1,093 | 9.82% |
| Associates Degree | 854 | 7.67% |
| Masters Degree | 1,929 | 17.33% |
| Professional Degree | 322 | 2.89% |
| Doctorate Degree | 293 | 2.63% |
