| PEOPLE | North Charleston | Darien | United States |
| Population | 97,471 | 22,086 | 308,035,306 |
| Pop. Density | 1,332 | 3,575 | 87 |
| Pop. Change | 17.84% | -5.79% | 8.07% |
| Median Age | 30.8 | 45.9 | 37.3 |
| Households | 36,915 | 8,925 | 116,716,292 |
| Household Size | 2.54 | 2.46 | 2.58 |
| Male Population | 49.59% | 48.05% | 49.27% |
| Female Population | 50.41% | 51.95% | 50.96% |
| Married Population | 34.20% | 56.01% | 47.02% |
| Single Population | 65.80% | 43.99% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 8.77% | 4.26% | 6.56% |
| Age 5 to 9 | 7.07% | 5.03% | 6.61% |
| Age 10 to 14 | 6.02% | 6.40% | 6.71% |
| Age 15 to 17 | 3.61% | 4.39% | 4.21% |
| Age 18 to 20 | 3.34% | 1.97% | 2.95% |
| Age 21 to 24 | 9.82% | 4.81% | 7.01% |
| Age 25 to 34 | 18.06% | 9.70% | 13.33% |
| Age 35 to 44 | 12.74% | 11.96% | 13.33% |
| Age 45 to 49 | 12.92% | 17.31% | 14.61% |
| Age 50 to 54 | 12.92% | 17.31% | 14.61% |
| Age 55 to 59 | 9.23% | 16.56% | 11.84% |
| Age 60 to 64 | 9.23% | 16.56% | 11.84% |
| Age 65 to 74 | 4.76% | 10.41% | 7.05% |
| Age 75 to 84 | 2.64% | 5.17% | 4.24% |
| Age 85 and over | 1.02% | 2.03% | 1.78% |
| RACE | | | |
| White | 41.57% | 81.43% | 72.41% |
| Black | 47.16% | 3.20% | 12.61% |
| Asian | 1.95% | 11.86% | 4.75% |
| American Indian | 0.46% | 0.13% | 0.95% |
| Other | 8.87% | 3.39% | 9.28% |
| Hispanic | 0.57% | 2.20% | 16.35% |
| Non-Hispanic | 99.43% | 97.80% | 83.65% |
| FAMILY | | | |
| Married, w/children | 24.39% | 30.02% | 30.42% |
| Married, no children | 31.59% | 52.74% | 42.46% |
| Single, w/children | 25.09% | 7.28% | 14.39% |
| Single, no children | 18.93% | 9.96% | 12.73% |
| Divorced | 13.35% | 9.33% | 10.62% |
| Separated | 9.49% | 1.77% | 4.97% |
| Widowed | 5.89% | 6.85% | 6.14% |
| Now Married | 34.18% | 55.56% | 46.32% |
| Never Married | 37.09% | 26.48% | 31.95% |