02420 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 02420 is White. The majority race/ethnicity attending public schools in 02420 is White. The current unemployment level in 02420 is 4.6%.
| Population | 16,356 |
| Population Growth Rate | 5.98% |
| Population Density | 2,479 People per Square Mile |
| Total Households | 4,999 |
| Percentage High Income Households | 32.5% |
| Median Household Income (2021) | $215,303 |
| Average Adjusted Gross Income (2021) | $848,160 |
| Current Unemployment Rate (May 2026) | 4.6% |
| Sales Tax Rate (2025) | 6.2% |
| Majority Race/Ethnicty | White - 64.27% |
| Public School Majority Race/Ethnicty | White - 41.44% |
02420 Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
| White | 9,558 | 64.27% |
| Black | 174 | 1.17% |
| Hispanic | 193 | 1.3% |
| Asian | 4,946 | 33.26% |
| Native American | 0 | 0% |
| Hawaiian/Pac. Islander | 0 | 0% |
02420 Public School Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
| White | 963 | 45.28% |
| Black | 92 | 4.33% |
| Hispanic | 109 | 5.12% |
| Asian | 962 | 45.23% |
| Native American | 1 | 0.05% |
| Hawaiian/Pac. Islander | 0 | 0% |
02420 Educational Attainment Levels
| Highest Education Level Attained | Total | Percentage |
| Less Than 1 Year of College | 158 | 1.65% |
| Bachelor Degree | 2,543 | 26.56% |
| High School Diploma | 895 | 9.35% |
| No High School Diploma | 46 | 0.48% |
| GED or Alternate | 64 | 0.67% |
| 1 or More Years of College | 622 | 6.5% |
| Associates Degree | 273 | 2.85% |
| Masters Degree | 3,088 | 32.25% |
| Professional Degree | 744 | 7.77% |
| Doctorate Degree | 1,141 | 11.92% |