| PEOPLE | North Charleston | Sioux City | United States |
| Population | 97,471 | 82,684 | 308,035,306 |
| Pop. Density | 1,332 | 1,442 | 87 |
| Pop. Change | 17.84% | -3.21% | 8.07% |
| Median Age | 30.8 | 33.8 | 37.3 |
| Households | 36,915 | 31,571 | 116,716,292 |
| Household Size | 2.54 | 2.54 | 2.58 |
| Male Population | 49.59% | 49.15% | 49.27% |
| Female Population | 50.41% | 50.85% | 50.96% |
| Married Population | 34.20% | 45.16% | 47.02% |
| Single Population | 65.80% | 54.84% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 8.77% | 8.08% | 6.56% |
| Age 5 to 9 | 7.07% | 7.30% | 6.61% |
| Age 10 to 14 | 6.02% | 6.88% | 6.71% |
| Age 15 to 17 | 3.61% | 4.29% | 4.21% |
| Age 18 to 20 | 3.34% | 3.44% | 2.95% |
| Age 21 to 24 | 9.82% | 8.02% | 7.01% |
| Age 25 to 34 | 18.06% | 13.54% | 13.33% |
| Age 35 to 44 | 12.74% | 11.97% | 13.33% |
| Age 45 to 49 | 12.92% | 12.95% | 14.61% |
| Age 50 to 54 | 12.92% | 12.95% | 14.61% |
| Age 55 to 59 | 9.23% | 11.11% | 11.84% |
| Age 60 to 64 | 9.23% | 11.11% | 11.84% |
| Age 65 to 74 | 4.76% | 6.20% | 7.05% |
| Age 75 to 84 | 2.64% | 4.30% | 4.24% |
| Age 85 and over | 1.02% | 1.94% | 1.78% |
| RACE | | | |
| White | 41.57% | 80.60% | 72.41% |
| Black | 47.16% | 2.87% | 12.61% |
| Asian | 1.95% | 2.73% | 4.75% |
| American Indian | 0.46% | 2.58% | 0.95% |
| Other | 8.87% | 11.22% | 9.28% |
| Hispanic | 0.57% | 3.31% | 16.35% |
| Non-Hispanic | 99.43% | 96.69% | 83.65% |
| FAMILY | | | |
| Married, w/children | 24.39% | 29.15% | 30.42% |
| Married, no children | 31.59% | 40.05% | 42.46% |
| Single, w/children | 25.09% | 19.79% | 14.39% |
| Single, no children | 18.93% | 11.02% | 12.73% |
| Divorced | 13.35% | 12.56% | 10.62% |
| Separated | 9.49% | 3.74% | 4.97% |
| Widowed | 5.89% | 6.85% | 6.14% |
| Now Married | 34.18% | 45.31% | 46.32% |
| Never Married | 37.09% | 31.54% | 31.95% |
