03031 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 03031 is White. The majority race/ethnicity attending public schools in 03031 is White. The current unemployment level in 03031 is 3.1%.
| Population | 11,814 |
| Population Growth Rate | 2.91% |
| Population Density | 332 People per Square Mile |
| Total Households | 4,031 |
| Percentage High Income Households | 16.6% |
| Median Household Income (2021) | $142,083 |
| Average Adjusted Gross Income (2021) | $481,770 |
| Current Unemployment Rate (September 2025) | 3.1% |
| Majority Race/Ethnicty | White - 95.54% |
| Public School Majority Race/Ethnicty | White - 91.34% |
03031 Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 11,154 | 95.54% |
| Black | 0 | 0% |
| Hispanic | 336 | 2.88% |
| Asian | 185 | 1.58% |
| Native American | 0 | 0% |
| Hawaiian/Pac. Islander | 0 | 0% |
03031 Public School Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 1,793 | 91.67% |
| Black | 27 | 1.38% |
| Hispanic | 68 | 3.48% |
| Asian | 52 | 2.66% |
| Native American | 11 | 0.56% |
| Hawaiian/Pac. Islander | 5 | 0.26% |
03031 Educational Attainment Levels
| Highest Education Level Attained | Total | Percentage |
|---|
| Less Than 1 Year of College | 295 | 4.09% |
| Bachelor Degree | 2,737 | 37.93% |
| High School Diploma | 863 | 11.96% |
| No High School Diploma | 88 | 1.22% |
| GED or Alternate | 74 | 1.03% |
| 1 or More Years of College | 613 | 8.5% |
| Associates Degree | 734 | 10.17% |
| Masters Degree | 1,361 | 18.86% |
| Professional Degree | 289 | 4% |
| Doctorate Degree | 162 | 2.25% |