| PEOPLE | Bluffton | United States |
| Population | 12,530 | 308,035,306 |
| Pop. Density | 244 | 87 |
| Pop. Change | 296.16% | 8.07% |
| Median Age | 32.8 | 37.3 |
| Households | 4,417 | 116,716,292 |
| Household Size | 2.89 | 2.58 |
| Male Population | 48.86% | 49.27% |
| Female Population | 51.14% | 50.96% |
| Married Population | 45.76% | 47.02% |
| Single Population | 54.24% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | |
| Age 0 to 4 | 9.35% | 6.56% |
| Age 5 to 9 | 8.24% | 6.61% |
| Age 10 to 14 | 7.29% | 6.71% |
| Age 15 to 17 | 4.01% | 4.21% |
| Age 18 to 20 | 1.84% | 2.95% |
| Age 21 to 24 | 4.93% | 7.01% |
| Age 25 to 34 | 18.79% | 13.33% |
| Age 35 to 44 | 16.67% | 13.33% |
| Age 45 to 49 | 11.31% | 14.61% |
| Age 50 to 54 | 11.31% | 14.61% |
| Age 55 to 59 | 10.23% | 11.84% |
| Age 60 to 64 | 10.23% | 11.84% |
| Age 65 to 74 | 5.31% | 7.05% |
| Age 75 to 84 | 1.44% | 4.24% |
| Age 85 and over | 0.60% | 1.78% |
| RACE | | |
| White | 71.43% | 72.41% |
| Black | 16.16% | 12.61% |
| Asian | 1.96% | 4.75% |
| American Indian | 0.27% | 0.95% |
| Other | 10.18% | 9.28% |
| Hispanic | 1.86% | 16.35% |
| Non-Hispanic | 98.14% | 83.65% |
| FAMILY | | |
| Married, w/children | 39.36% | 30.42% |
| Married, no children | 37.92% | 42.46% |
| Single, w/children | 14.60% | 14.39% |
| Single, no children | 8.13% | 12.73% |
| Divorced | 11.06% | 10.62% |
| Separated | 4.94% | 4.97% |
| Widowed | 6.40% | 6.14% |
| Now Married | 45.83% | 46.32% |
| Never Married | 31.78% | 31.95% |
