| PEOPLE | Columbus | Southgate | United States |
| Population | 787,033 | 30,047 | 308,035,306 |
| Pop. Density | 3,624 | 4,389 | 87 |
| Pop. Change | 7.10% | -2.72% | 8.07% |
| Median Age | 31.4 | 40.8 | 37.3 |
| Households | 331,602 | 13,062 | 116,716,292 |
| Household Size | 2.33 | 2.3 | 2.58 |
| Male Population | 48.82% | 47.77% | 49.27% |
| Female Population | 51.18% | 52.23% | 50.96% |
| Married Population | 37.25% | 47.53% | 47.02% |
| Single Population | 62.75% | 52.47% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 7.63% | 4.90% | 6.56% |
| Age 5 to 9 | 6.38% | 5.28% | 6.61% |
| Age 10 to 14 | 5.72% | 5.92% | 6.71% |
| Age 15 to 17 | 3.45% | 4.17% | 4.21% |
| Age 18 to 20 | 3.37% | 2.54% | 2.95% |
| Age 21 to 24 | 10.69% | 6.60% | 7.01% |
| Age 25 to 34 | 18.93% | 12.86% | 13.33% |
| Age 35 to 44 | 13.39% | 13.35% | 13.33% |
| Age 45 to 49 | 12.51% | 15.20% | 14.61% |
| Age 50 to 54 | 12.51% | 15.20% | 14.61% |
| Age 55 to 59 | 9.34% | 12.92% | 11.84% |
| Age 60 to 64 | 9.34% | 12.92% | 11.84% |
| Age 65 to 74 | 4.66% | 7.81% | 7.05% |
| Age 75 to 84 | 2.76% | 5.96% | 4.24% |
| Age 85 and over | 1.17% | 2.50% | 1.78% |
| RACE | | | |
| White | 61.46% | 88.67% | 72.41% |
| Black | 27.98% | 5.54% | 12.61% |
| Asian | 4.06% | 1.64% | 4.75% |
| American Indian | 0.27% | 0.49% | 0.95% |
| Other | 6.23% | 3.65% | 9.28% |
| Hispanic | 0.00% | 1.12% | 16.35% |
| Non-Hispanic | 100.00% | 98.88% | 83.65% |
| FAMILY | | | |
| Married, w/children | 26.04% | 26.54% | 30.42% |
| Married, no children | 34.27% | 44.53% | 42.46% |
| Single, w/children | 22.89% | 14.27% | 14.39% |
| Single, no children | 16.81% | 14.66% | 12.73% |
| Divorced | 13.30% | 12.99% | 10.62% |
| Separated | 4.87% | 2.81% | 4.97% |
| Widowed | 4.74% | 8.76% | 6.14% |
| Now Married | 36.71% | 46.77% | 46.32% |
| Never Married | 40.38% | 28.67% | 31.95% |