| PEOPLE | Hilton Head Island | Mason | United States |
| Population | 37,099 | 8,252 | 308,035,306 |
| Pop. Density | 897 | 1,618 | 87 |
| Pop. Change | 9.19% | 19.58% | 8.07% |
| Median Age | 50.9 | 37.7 | 37.3 |
| Households | 16,535 | 3,278 | 116,716,292 |
| Household Size | 2.22 | 2.31 | 2.58 |
| Male Population | 49.07% | 50.79% | 49.27% |
| Female Population | 50.93% | 49.21% | 50.96% |
| Married Population | 57.36% | 47.40% | 47.02% |
| Single Population | 42.64% | 52.60% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 4.57% | 5.17% | 6.56% |
| Age 5 to 9 | 4.52% | 5.72% | 6.61% |
| Age 10 to 14 | 4.45% | 6.48% | 6.71% |
| Age 15 to 17 | 3.03% | 4.41% | 4.21% |
| Age 18 to 20 | 1.50% | 2.90% | 2.95% |
| Age 21 to 24 | 4.42% | 6.70% | 7.01% |
| Age 25 to 34 | 10.02% | 14.72% | 13.33% |
| Age 35 to 44 | 10.35% | 14.71% | 13.33% |
| Age 45 to 49 | 12.31% | 14.11% | 14.61% |
| Age 50 to 54 | 12.31% | 14.11% | 14.61% |
| Age 55 to 59 | 15.98% | 11.61% | 11.84% |
| Age 60 to 64 | 15.98% | 11.61% | 11.84% |
| Age 65 to 74 | 15.45% | 6.67% | 7.05% |
| Age 75 to 84 | 9.42% | 5.02% | 4.24% |
| Age 85 and over | 3.98% | 1.78% | 1.78% |
| RACE | | | |
| White | 82.89% | 90.24% | 72.41% |
| Black | 7.46% | 5.85% | 12.61% |
| Asian | 0.91% | 0.88% | 4.75% |
| American Indian | 0.15% | 0.44% | 0.95% |
| Other | 8.59% | 2.58% | 9.28% |
| Hispanic | 0.34% | 0.85% | 16.35% |
| Non-Hispanic | 99.66% | 99.15% | 83.65% |
| FAMILY | | | |
| Married, w/children | 19.94% | 28.69% | 30.42% |
| Married, no children | 64.62% | 43.55% | 42.46% |
| Single, w/children | 8.46% | 16.58% | 14.39% |
| Single, no children | 6.98% | 11.17% | 12.73% |
| Divorced | 8.67% | 12.59% | 10.62% |
| Separated | 5.47% | 2.89% | 4.97% |
| Widowed | 8.39% | 7.01% | 6.14% |
| Now Married | 56.98% | 48.27% | 46.32% |
| Never Married | 20.50% | 29.25% | 31.95% |
