| PEOPLE | Erie | Bethesda | United States |
| Population | 101,786 | 60,858 | 308,035,306 |
| Pop. Density | 5,334 | 4,580 | 87 |
| Pop. Change | -2.26% | 8.38% | 8.07% |
| Median Age | 33.3 | 42.6 | 37.3 |
| Households | 40,913 | 25,512 | 116,716,292 |
| Household Size | 2.36 | 2.34 | 2.58 |
| Male Population | 48.26% | 47.23% | 49.27% |
| Female Population | 51.74% | 52.77% | 50.96% |
| Married Population | 35.43% | 52.86% | 47.02% |
| Single Population | 64.57% | 47.14% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 7.52% | 5.51% | 6.56% |
| Age 5 to 9 | 6.42% | 6.81% | 6.61% |
| Age 10 to 14 | 6.09% | 6.87% | 6.71% |
| Age 15 to 17 | 3.91% | 4.01% | 4.21% |
| Age 18 to 20 | 3.95% | 1.21% | 2.95% |
| Age 21 to 24 | 10.16% | 4.34% | 7.01% |
| Age 25 to 34 | 14.11% | 11.10% | 13.33% |
| Age 35 to 44 | 11.42% | 13.77% | 13.33% |
| Age 45 to 49 | 12.94% | 15.59% | 14.61% |
| Age 50 to 54 | 12.94% | 15.59% | 14.61% |
| Age 55 to 59 | 10.61% | 13.83% | 11.84% |
| Age 60 to 64 | 10.61% | 13.83% | 11.84% |
| Age 65 to 74 | 5.91% | 8.31% | 7.05% |
| Age 75 to 84 | 4.51% | 5.54% | 4.24% |
| Age 85 and over | 2.44% | 3.11% | 1.78% |
| RACE | | | |
| White | 74.99% | 83.21% | 72.41% |
| Black | 16.84% | 3.31% | 12.61% |
| Asian | 1.49% | 9.33% | 4.75% |
| American Indian | 0.29% | 0.13% | 0.95% |
| Other | 6.40% | 4.01% | 9.28% |
| Hispanic | 3.61% | 2.25% | 16.35% |
| Non-Hispanic | 96.39% | 97.75% | 83.65% |
| FAMILY | | | |
| Married, w/children | 21.56% | 41.70% | 30.42% |
| Married, no children | 35.09% | 45.30% | 42.46% |
| Single, w/children | 25.87% | 6.66% | 14.39% |
| Single, no children | 17.48% | 6.33% | 12.73% |
| Divorced | 11.45% | 7.91% | 10.62% |
| Separated | 4.90% | 3.15% | 4.97% |
| Widowed | 9.06% | 6.94% | 6.14% |
| Now Married | 35.53% | 52.84% | 46.32% |
| Never Married | 39.06% | 29.16% | 31.95% |
