| PEOPLE | Deerfield | Somersworth | United States |
| Population | 4,280 | 11,766 | 308,035,306 |
| Pop. Density | 84 | 1,202 | 87 |
| Pop. Change | 15.55% | 3.74% | 8.07% |
| Median Age | 42 | 37.5 | 37.3 |
| Households | 1,537 | 4,862 | 116,716,292 |
| Household Size | 2.79 | 2.42 | 2.58 |
| Male Population | 49.30% | 47.71% | 49.27% |
| Female Population | 50.70% | 52.29% | 50.96% |
| Married Population | 63.74% | 48.74% | 47.02% |
| Single Population | 36.26% | 51.26% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 5.86% | 6.94% | 6.56% |
| Age 5 to 9 | 6.07% | 6.72% | 6.61% |
| Age 10 to 14 | 7.10% | 5.99% | 6.71% |
| Age 15 to 17 | 4.93% | 3.58% | 4.21% |
| Age 18 to 20 | 1.87% | 2.06% | 2.95% |
| Age 21 to 24 | 4.00% | 6.08% | 7.01% |
| Age 25 to 34 | 9.42% | 14.97% | 13.33% |
| Age 35 to 44 | 15.96% | 14.26% | 13.33% |
| Age 45 to 49 | 20.00% | 16.25% | 14.61% |
| Age 50 to 54 | 20.00% | 16.25% | 14.61% |
| Age 55 to 59 | 14.98% | 11.31% | 11.84% |
| Age 60 to 64 | 14.98% | 11.31% | 11.84% |
| Age 65 to 74 | 6.71% | 6.03% | 7.05% |
| Age 75 to 84 | 2.29% | 4.19% | 4.24% |
| Age 85 and over | 0.82% | 1.63% | 1.78% |
| RACE | | | |
| White | 98.06% | 89.44% | 72.41% |
| Black | 0.23% | 1.38% | 12.61% |
| Asian | 0.33% | 5.28% | 4.75% |
| American Indian | 0.09% | 0.34% | 0.95% |
| Other | 1.29% | 3.57% | 9.28% |
| Hispanic | 2.04% | 3.83% | 16.35% |
| Non-Hispanic | 97.96% | 96.17% | 83.65% |
| FAMILY | | | |
| Married, w/children | 34.45% | 28.32% | 30.42% |
| Married, no children | 52.21% | 41.82% | 42.46% |
| Single, w/children | 7.92% | 18.20% | 14.39% |
| Single, no children | 5.42% | 11.66% | 12.73% |
| Divorced | 9.72% | 13.90% | 10.62% |
| Separated | 0.77% | 1.04% | 4.97% |
| Widowed | 3.52% | 7.01% | 6.14% |
| Now Married | 63.80% | 49.73% | 46.32% |
| Never Married | 22.19% | 28.32% | 31.95% |