03820 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 03820 is White. The majority race/ethnicity attending public schools in 03820 is White. The current unemployment level in 03820 is 3.1%.
| Population | 32,925 |
| Population Growth Rate | 5.62% |
| Population Density | 1,079 People per Square Mile |
| Total Households | 12,520 |
| Percentage High Income Households | 3.6% |
| Median Household Income (2021) | $82,464 |
| Average Adjusted Gross Income (2021) | $433,240 |
| Current Unemployment Rate (September 2025) | 3.1% |
| Majority Race/Ethnicty | White - 90.88% |
| Public School Majority Race/Ethnicty | White - 82.02% |
03820 Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 29,445 | 90.88% |
| Black | 387 | 1.19% |
| Hispanic | 1,123 | 3.47% |
| Asian | 1,446 | 4.46% |
| Native American | 0 | 0% |
| Hawaiian/Pac. Islander | 0 | 0% |
03820 Public School Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 3,412 | 86.95% |
| Black | 84 | 2.14% |
| Hispanic | 114 | 2.91% |
| Asian | 301 | 7.67% |
| Native American | 10 | 0.25% |
| Hawaiian/Pac. Islander | 3 | 0.08% |
03820 Educational Attainment Levels
| Highest Education Level Attained | Total | Percentage |
|---|
| Less Than 1 Year of College | 1,142 | 6.22% |
| Bachelor Degree | 4,558 | 24.83% |
| High School Diploma | 3,907 | 21.29% |
| No High School Diploma | 214 | 1.17% |
| GED or Alternate | 726 | 3.96% |
| 1 or More Years of College | 2,798 | 15.24% |
| Associates Degree | 2,195 | 11.96% |
| Masters Degree | 2,328 | 12.68% |
| Professional Degree | 265 | 1.44% |
| Doctorate Degree | 222 | 1.21% |