| PEOPLE | Westland | Plymouth | United States |
| Population | 84,094 | 9,132 | 308,035,306 |
| Pop. Density | 4,117 | 4,130 | 87 |
| Pop. Change | -4.75% | -3.85% | 8.07% |
| Median Age | 38.2 | 39.1 | 37.3 |
| Households | 35,886 | 4,314 | 116,716,292 |
| Household Size | 2.31 | 2.08 | 2.58 |
| Male Population | 47.49% | 47.96% | 49.27% |
| Female Population | 52.51% | 52.04% | 50.96% |
| Married Population | 42.04% | 43.93% | 47.02% |
| Single Population | 57.96% | 56.07% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 6.35% | 6.72% | 6.56% |
| Age 5 to 9 | 5.75% | 6.19% | 6.61% |
| Age 10 to 14 | 6.09% | 5.51% | 6.71% |
| Age 15 to 17 | 3.92% | 3.07% | 4.21% |
| Age 18 to 20 | 2.56% | 1.29% | 2.95% |
| Age 21 to 24 | 6.96% | 4.40% | 7.01% |
| Age 25 to 34 | 13.89% | 15.54% | 13.33% |
| Age 35 to 44 | 13.83% | 16.27% | 13.33% |
| Age 45 to 49 | 15.25% | 14.58% | 14.61% |
| Age 50 to 54 | 15.25% | 14.58% | 14.61% |
| Age 55 to 59 | 11.41% | 12.41% | 11.84% |
| Age 60 to 64 | 11.41% | 12.41% | 11.84% |
| Age 65 to 74 | 6.74% | 5.84% | 7.05% |
| Age 75 to 84 | 5.06% | 5.25% | 4.24% |
| Age 85 and over | 2.19% | 2.95% | 1.78% |
| RACE | | | |
| White | 75.79% | 94.15% | 72.41% |
| Black | 17.23% | 1.60% | 12.61% |
| Asian | 3.03% | 2.18% | 4.75% |
| American Indian | 0.46% | 0.26% | 0.95% |
| Other | 3.48% | 1.81% | 9.28% |
| Hispanic | 2.81% | 0.82% | 16.35% |
| Non-Hispanic | 97.19% | 99.18% | 83.65% |
| FAMILY | | | |
| Married, w/children | 25.50% | 36.43% | 30.42% |
| Married, no children | 37.75% | 42.61% | 42.46% |
| Single, w/children | 19.07% | 11.72% | 14.39% |
| Single, no children | 17.68% | 9.24% | 12.73% |
| Divorced | 13.70% | 14.83% | 10.62% |
| Separated | 3.05% | 2.92% | 4.97% |
| Widowed | 7.83% | 7.81% | 6.14% |
| Now Married | 42.66% | 43.85% | 46.32% |
| Never Married | 32.76% | 30.59% | 31.95% |