| PEOPLE | Richmond | Irmo | United States |
| Population | 204,214 | 11,097 | 308,035,306 |
| Pop. Density | 3,415 | 1,772 | 87 |
| Pop. Change | 4.74% | 6.55% | 8.07% |
| Median Age | 32.3 | 36.5 | 37.3 |
| Households | 87,151 | 4,326 | 116,716,292 |
| Household Size | 2.2 | 2.62 | 2.58 |
| Male Population | 47.66% | 47.27% | 49.27% |
| Female Population | 52.34% | 52.73% | 50.96% |
| Married Population | 25.02% | 58.44% | 47.02% |
| Single Population | 74.98% | 41.56% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 6.27% | 6.99% | 6.56% |
| Age 5 to 9 | 5.03% | 6.44% | 6.61% |
| Age 10 to 14 | 4.49% | 7.05% | 6.71% |
| Age 15 to 17 | 2.83% | 4.67% | 4.21% |
| Age 18 to 20 | 4.90% | 2.87% | 2.95% |
| Age 21 to 24 | 13.17% | 5.84% | 7.01% |
| Age 25 to 34 | 17.25% | 14.01% | 13.33% |
| Age 35 to 44 | 11.53% | 13.63% | 13.33% |
| Age 45 to 49 | 12.61% | 15.66% | 14.61% |
| Age 50 to 54 | 12.61% | 15.66% | 14.61% |
| Age 55 to 59 | 10.85% | 12.63% | 11.84% |
| Age 60 to 64 | 10.85% | 12.63% | 11.84% |
| Age 65 to 74 | 5.58% | 6.53% | 7.05% |
| Age 75 to 84 | 3.61% | 2.73% | 4.24% |
| Age 85 and over | 1.88% | 0.94% | 1.78% |
| RACE | | | |
| White | 40.78% | 64.62% | 72.41% |
| Black | 50.60% | 29.88% | 12.61% |
| Asian | 2.33% | 1.60% | 4.75% |
| American Indian | 0.35% | 0.37% | 0.95% |
| Other | 5.94% | 3.52% | 9.28% |
| Hispanic | 8.36% | 0.28% | 16.35% |
| Non-Hispanic | 91.64% | 99.72% | 83.65% |
| FAMILY | | | |
| Married, w/children | 17.53% | 29.78% | 30.42% |
| Married, no children | 33.11% | 42.58% | 42.46% |
| Single, w/children | 24.76% | 16.10% | 14.39% |
| Single, no children | 24.61% | 11.54% | 12.73% |
| Divorced | 12.93% | 8.65% | 10.62% |
| Separated | 6.86% | 3.13% | 4.97% |
| Widowed | 8.41% | 2.35% | 6.14% |
| Now Married | 25.02% | 58.67% | 46.32% |
| Never Married | 46.79% | 27.20% | 31.95% |
