| PEOPLE | Tega Cay | Catawba | United States |
| Population | 7,620 | 3,036 | 308,035,306 |
| Pop. Density | 1,969 | 204 | 87 |
| Pop. Change | 71.98% | 11.41% | 8.07% |
| Median Age | 40.2 | 40.3 | 37.3 |
| Households | 2,752 | 1,106 | 116,716,292 |
| Household Size | 2.69 | 2.74 | 2.58 |
| Male Population | 49.45% | 49.51% | 49.27% |
| Female Population | 50.55% | 50.49% | 50.96% |
| Married Population | 67.07% | 54.37% | 47.02% |
| Single Population | 32.93% | 45.63% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 6.69% | 6.36% | 6.56% |
| Age 5 to 9 | 8.83% | 5.83% | 6.61% |
| Age 10 to 14 | 9.08% | 7.25% | 6.71% |
| Age 15 to 17 | 4.62% | 4.22% | 4.21% |
| Age 18 to 20 | 1.90% | 2.90% | 2.95% |
| Age 21 to 24 | 1.84% | 5.04% | 7.01% |
| Age 25 to 34 | 7.39% | 10.84% | 13.33% |
| Age 35 to 44 | 18.92% | 15.32% | 13.33% |
| Age 45 to 49 | 17.01% | 17.19% | 14.61% |
| Age 50 to 54 | 17.01% | 17.19% | 14.61% |
| Age 55 to 59 | 13.23% | 13.31% | 11.84% |
| Age 60 to 64 | 13.23% | 13.31% | 11.84% |
| Age 65 to 74 | 6.96% | 7.58% | 7.05% |
| Age 75 to 84 | 2.89% | 3.23% | 4.24% |
| Age 85 and over | 0.64% | 0.96% | 1.78% |
| RACE | | | |
| White | 92.62% | 81.72% | 72.41% |
| Black | 3.04% | 13.31% | 12.61% |
| Asian | 1.98% | 0.76% | 4.75% |
| American Indian | 0.22% | 1.68% | 0.95% |
| Other | 2.13% | 2.57% | 9.28% |
| Hispanic | 1.10% | 0.63% | 16.35% |
| Non-Hispanic | 98.90% | 99.37% | 83.65% |
| FAMILY | | | |
| Married, w/children | 44.56% | 29.86% | 30.42% |
| Married, no children | 44.16% | 47.11% | 42.46% |
| Single, w/children | 7.34% | 10.42% | 14.39% |
| Single, no children | 3.94% | 12.62% | 12.73% |
| Divorced | 9.24% | 10.26% | 10.62% |
| Separated | 1.92% | 5.52% | 4.97% |
| Widowed | 4.36% | 6.18% | 6.14% |
| Now Married | 67.27% | 54.40% | 46.32% |
| Never Married | 17.21% | 23.64% | 31.95% |