03303 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 03303 is White. The majority race/ethnicity attending public schools in 03303 is White. The current unemployment level in 03303 is 3.1%.
| Population | 16,118 |
| Population Growth Rate | 0.59% |
| Population Density | 226 People per Square Mile |
| Total Households | 6,385 |
| Percentage High Income Households | 2.1% |
| Median Household Income (2021) | $79,599 |
| Average Adjusted Gross Income (2021) | $418,290 |
| Current Unemployment Rate (September 2025) | 3.1% |
| Majority Race/Ethnicty | White - 92.68% |
| Public School Majority Race/Ethnicty | White - 91.97% |
03303 Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 15,108 | 92.64% |
| Black | 392 | 2.4% |
| Hispanic | 461 | 2.83% |
| Asian | 291 | 1.78% |
| Native American | 50 | 0.31% |
| Hawaiian/Pac. Islander | 7 | 0.04% |
03303 Public School Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 1,764 | 93.73% |
| Black | 45 | 2.39% |
| Hispanic | 40 | 2.13% |
| Asian | 25 | 1.33% |
| Native American | 5 | 0.27% |
| Hawaiian/Pac. Islander | 3 | 0.16% |
03303 Educational Attainment Levels
| Highest Education Level Attained | Total | Percentage |
|---|
| Less Than 1 Year of College | 893 | 8.5% |
| Bachelor Degree | 2,132 | 20.29% |
| High School Diploma | 2,822 | 26.86% |
| No High School Diploma | 113 | 1.08% |
| GED or Alternate | 579 | 5.51% |
| 1 or More Years of College | 1,687 | 16.06% |
| Associates Degree | 1,453 | 13.83% |
| Masters Degree | 633 | 6.02% |
| Professional Degree | 181 | 1.72% |
| Doctorate Degree | 14 | 0.13% |