| PEOPLE | Union City | Newark | United States |
| Population | 66,455 | 277,140 | 308,035,306 |
| Pop. Density | 51,810 | 11,458 | 87 |
| Pop. Change | -1.00% | 3.10% | 8.07% |
| Median Age | 34 | 32.4 | 37.3 |
| Households | 22,814 | 94,542 | 116,716,292 |
| Household Size | 2.88 | 2.77 | 2.58 |
| Male Population | 50.11% | 49.48% | 49.27% |
| Female Population | 49.89% | 50.52% | 50.96% |
| Married Population | 36.15% | 25.98% | 47.02% |
| Single Population | 63.85% | 74.02% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 7.29% | 7.55% | 6.56% |
| Age 5 to 9 | 6.36% | 6.95% | 6.61% |
| Age 10 to 14 | 6.06% | 6.77% | 6.71% |
| Age 15 to 17 | 4.01% | 4.32% | 4.21% |
| Age 18 to 20 | 2.83% | 3.35% | 2.95% |
| Age 21 to 24 | 7.81% | 8.55% | 7.01% |
| Age 25 to 34 | 17.39% | 16.83% | 13.33% |
| Age 35 to 44 | 14.98% | 15.02% | 13.33% |
| Age 45 to 49 | 13.64% | 13.17% | 14.61% |
| Age 50 to 54 | 13.64% | 13.17% | 14.61% |
| Age 55 to 59 | 9.15% | 8.95% | 11.84% |
| Age 60 to 64 | 9.15% | 8.95% | 11.84% |
| Age 65 to 74 | 5.70% | 5.09% | 7.05% |
| Age 75 to 84 | 3.52% | 2.63% | 4.24% |
| Age 85 and over | 1.26% | 0.83% | 1.78% |
| RACE | | | |
| White | 58.01% | 26.31% | 72.41% |
| Black | 5.25% | 52.35% | 12.61% |
| Asian | 2.39% | 1.62% | 4.75% |
| American Indian | 1.23% | 0.61% | 0.95% |
| Other | 33.12% | 19.11% | 9.28% |
| Hispanic | 3.85% | 1.89% | 16.35% |
| Non-Hispanic | 96.15% | 98.11% | 83.65% |
| FAMILY | | | |
| Married, w/children | 26.79% | 20.90% | 30.42% |
| Married, no children | 27.15% | 22.06% | 42.46% |
| Single, w/children | 23.57% | 30.82% | 14.39% |
| Single, no children | 22.49% | 26.22% | 12.73% |
| Divorced | 10.98% | 7.87% | 10.62% |
| Separated | 10.84% | 9.94% | 4.97% |
| Widowed | 4.94% | 6.52% | 6.14% |
| Now Married | 35.76% | 26.47% | 46.32% |
| Never Married | 37.49% | 49.20% | 31.95% |
