03857 can be classified socioeconomically as Middle Class class compared to other ZIP Codes in New Hampshire based on Median Household Income and Average Adjusted Gross Income. The majority race/ethnicity residing in 03857 is White. The majority race/ethnicity attending public schools in 03857 is White. The current unemployment level in 03857 is 3.1%.
| Population | 9,400 |
| Population Growth Rate | 4.02% |
| Population Density | 564 People per Square Mile |
| Total Households | 3,713 |
| Percentage High Income Households | 2.8% |
| Median Household Income (2021) | $83,070 |
| Average Adjusted Gross Income (2021) | $424,000 |
| Current Unemployment Rate (September 2025) | 3.1% |
| Majority Race/Ethnicty | White - 95.09% |
| Public School Majority Race/Ethnicty | White - 85.54% |
03857 Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 8,808 | 95.09% |
| Black | 108 | 1.17% |
| Hispanic | 136 | 1.47% |
| Asian | 211 | 2.28% |
| Native American | 0 | 0% |
| Hawaiian/Pac. Islander | 0 | 0% |
03857 Public School Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 887 | 89.96% |
| Black | 11 | 1.12% |
| Hispanic | 41 | 4.16% |
| Asian | 42 | 4.26% |
| Native American | 0 | 0% |
| Hawaiian/Pac. Islander | 5 | 0.51% |
03857 Educational Attainment Levels
| Highest Education Level Attained | Total | Percentage |
|---|
| Less Than 1 Year of College | 391 | 6.91% |
| Bachelor Degree | 1,565 | 27.65% |
| High School Diploma | 1,150 | 20.31% |
| No High School Diploma | 25 | 0.44% |
| GED or Alternate | 263 | 4.65% |
| 1 or More Years of College | 846 | 14.94% |
| Associates Degree | 515 | 9.1% |
| Masters Degree | 618 | 10.92% |
| Professional Degree | 187 | 3.3% |
| Doctorate Degree | 101 | 1.78% |