| PEOPLE | Trenton | Romulus | United States |
| Population | 18,853 | 23,989 | 308,035,306 |
| Pop. Density | 2,591 | 674 | 87 |
| Pop. Change | -4.48% | 3.30% | 8.07% |
| Median Age | 45 | 36 | 37.3 |
| Households | 7,988 | 8,975 | 116,716,292 |
| Household Size | 2.33 | 2.65 | 2.58 |
| Male Population | 48.07% | 48.35% | 49.27% |
| Female Population | 51.93% | 51.65% | 50.96% |
| Married Population | 53.07% | 42.09% | 47.02% |
| Single Population | 46.93% | 57.91% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 4.49% | 6.78% | 6.56% |
| Age 5 to 9 | 5.87% | 7.38% | 6.61% |
| Age 10 to 14 | 6.57% | 7.59% | 6.71% |
| Age 15 to 17 | 4.36% | 5.10% | 4.21% |
| Age 18 to 20 | 2.29% | 3.14% | 2.95% |
| Age 21 to 24 | 5.34% | 5.97% | 7.01% |
| Age 25 to 34 | 9.20% | 12.48% | 13.33% |
| Age 35 to 44 | 11.83% | 14.88% | 13.33% |
| Age 45 to 49 | 16.92% | 15.04% | 14.61% |
| Age 50 to 54 | 16.92% | 15.04% | 14.61% |
| Age 55 to 59 | 13.34% | 11.88% | 11.84% |
| Age 60 to 64 | 13.34% | 11.88% | 11.84% |
| Age 65 to 74 | 8.71% | 6.27% | 7.05% |
| Age 75 to 84 | 8.18% | 2.61% | 4.24% |
| Age 85 and over | 2.91% | 0.88% | 1.78% |
| RACE | | | |
| White | 95.52% | 50.47% | 72.41% |
| Black | 1.35% | 43.05% | 12.61% |
| Asian | 0.71% | 1.08% | 4.75% |
| American Indian | 0.50% | 0.52% | 0.95% |
| Other | 1.92% | 4.89% | 9.28% |
| Hispanic | 0.24% | 0.36% | 16.35% |
| Non-Hispanic | 99.76% | 99.64% | 83.65% |
| FAMILY | | | |
| Married, w/children | 27.25% | 25.20% | 30.42% |
| Married, no children | 48.75% | 34.36% | 42.46% |
| Single, w/children | 12.04% | 22.72% | 14.39% |
| Single, no children | 11.96% | 17.72% | 12.73% |
| Divorced | 10.83% | 14.43% | 10.62% |
| Separated | 1.84% | 4.54% | 4.97% |
| Widowed | 8.27% | 5.80% | 6.14% |
| Now Married | 53.78% | 42.03% | 46.32% |
| Never Married | 25.29% | 33.20% | 31.95% |