| PEOPLE | Columbia | Lawrenceville | United States |
| Population | 34,681 | 28,546 | 308,035,306 |
| Pop. Density | 1,100 | 2,131 | 87 |
| Pop. Change | 3.37% | 34.67% | 8.07% |
| Median Age | 36.1 | 32.3 | 37.3 |
| Households | 14,012 | 9,973 | 116,716,292 |
| Household Size | 2.43 | 2.86 | 2.58 |
| Male Population | 46.85% | 47.77% | 49.27% |
| Female Population | 53.15% | 52.23% | 50.96% |
| Married Population | 43.41% | 46.13% | 47.02% |
| Single Population | 56.59% | 53.87% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 7.59% | 8.80% | 6.56% |
| Age 5 to 9 | 6.93% | 8.78% | 6.61% |
| Age 10 to 14 | 6.50% | 7.76% | 6.71% |
| Age 15 to 17 | 3.68% | 4.50% | 4.21% |
| Age 18 to 20 | 2.79% | 2.69% | 2.95% |
| Age 21 to 24 | 6.91% | 6.46% | 7.01% |
| Age 25 to 34 | 14.35% | 15.07% | 13.33% |
| Age 35 to 44 | 11.74% | 14.90% | 13.33% |
| Age 45 to 49 | 13.71% | 12.66% | 14.61% |
| Age 50 to 54 | 13.71% | 12.66% | 14.61% |
| Age 55 to 59 | 11.56% | 9.15% | 11.84% |
| Age 60 to 64 | 11.56% | 9.15% | 11.84% |
| Age 65 to 74 | 6.76% | 4.42% | 7.05% |
| Age 75 to 84 | 5.20% | 3.33% | 4.24% |
| Age 85 and over | 2.30% | 1.50% | 1.78% |
| RACE | | | |
| White | 72.10% | 47.96% | 72.41% |
| Black | 20.78% | 32.00% | 12.61% |
| Asian | 0.77% | 5.68% | 4.75% |
| American Indian | 0.31% | 0.63% | 0.95% |
| Other | 6.04% | 13.72% | 9.28% |
| Hispanic | 7.16% | 5.00% | 16.35% |
| Non-Hispanic | 92.84% | 95.00% | 83.65% |
| FAMILY | | | |
| Married, w/children | 23.73% | 33.27% | 30.42% |
| Married, no children | 39.25% | 30.69% | 42.46% |
| Single, w/children | 21.17% | 21.65% | 14.39% |
| Single, no children | 15.86% | 14.39% | 12.73% |
| Divorced | 14.55% | 12.26% | 10.62% |
| Separated | 3.59% | 7.74% | 4.97% |
| Widowed | 9.01% | 5.40% | 6.14% |
| Now Married | 43.73% | 45.31% | 46.32% |
| Never Married | 29.12% | 29.29% | 31.95% |