| PEOPLE | Bethlehem | Ann Arbor | United States |
| Population | 74,982 | 113,934 | 308,035,306 |
| Pop. Density | 3,925 | 4,094 | 87 |
| Pop. Change | 5.56% | -1.40% | 8.07% |
| Median Age | 35.7 | 27.9 | 37.3 |
| Households | 29,365 | 47,060 | 116,716,292 |
| Household Size | 2.34 | 2.18 | 2.58 |
| Male Population | 48.05% | 49.29% | 49.27% |
| Female Population | 51.95% | 50.71% | 50.96% |
| Married Population | 38.75% | 34.62% | 47.02% |
| Single Population | 61.25% | 65.38% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 5.60% | 4.27% | 6.56% |
| Age 5 to 9 | 5.25% | 3.98% | 6.61% |
| Age 10 to 14 | 5.43% | 3.76% | 6.71% |
| Age 15 to 17 | 3.65% | 2.37% | 4.21% |
| Age 18 to 20 | 4.98% | 9.17% | 2.95% |
| Age 21 to 24 | 10.63% | 20.27% | 7.01% |
| Age 25 to 34 | 13.67% | 17.80% | 13.33% |
| Age 35 to 44 | 11.10% | 9.97% | 13.33% |
| Age 45 to 49 | 12.45% | 9.93% | 14.61% |
| Age 50 to 54 | 12.45% | 9.93% | 14.61% |
| Age 55 to 59 | 11.03% | 9.17% | 11.84% |
| Age 60 to 64 | 11.03% | 9.17% | 11.84% |
| Age 65 to 74 | 6.80% | 4.79% | 7.05% |
| Age 75 to 84 | 6.01% | 3.11% | 4.24% |
| Age 85 and over | 3.39% | 1.42% | 1.78% |
| RACE | | | |
| White | 76.43% | 73.00% | 72.41% |
| Black | 6.93% | 7.73% | 12.61% |
| Asian | 2.86% | 14.35% | 4.75% |
| American Indian | 0.35% | 0.26% | 0.95% |
| Other | 13.44% | 4.66% | 9.28% |
| Hispanic | 31.56% | 1.83% | 16.35% |
| Non-Hispanic | 68.44% | 98.17% | 83.65% |
| FAMILY | | | |
| Married, w/children | 22.93% | 33.16% | 30.42% |
| Married, no children | 42.88% | 45.46% | 42.46% |
| Single, w/children | 19.76% | 10.87% | 14.39% |
| Single, no children | 14.43% | 10.52% | 12.73% |
| Divorced | 9.51% | 7.17% | 10.62% |
| Separated | 5.46% | 2.81% | 4.97% |
| Widowed | 8.43% | 2.90% | 6.14% |
| Now Married | 38.69% | 34.16% | 46.32% |
| Never Married | 37.91% | 52.96% | 31.95% |
