| PEOPLE | Portland | Bangor | United States |
| Population | 66,194 | 33,039 | 308,035,306 |
| Pop. Density | 3,107 | 964 | 87 |
| Pop. Change | 4.16% | 7.48% | 8.07% |
| Median Age | 36.6 | 36.5 | 37.3 |
| Households | 30,725 | 14,475 | 116,716,292 |
| Household Size | 2.07 | 2.09 | 2.58 |
| Male Population | 48.81% | 48.18% | 49.27% |
| Female Population | 51.19% | 51.82% | 50.96% |
| Married Population | 34.51% | 37.41% | 47.02% |
| Single Population | 65.49% | 62.59% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 5.38% | 5.48% | 6.56% |
| Age 5 to 9 | 4.58% | 4.79% | 6.61% |
| Age 10 to 14 | 4.42% | 4.40% | 6.71% |
| Age 15 to 17 | 2.74% | 3.09% | 4.21% |
| Age 18 to 20 | 2.29% | 4.66% | 2.95% |
| Age 21 to 24 | 9.13% | 11.42% | 7.01% |
| Age 25 to 34 | 19.16% | 14.45% | 13.33% |
| Age 35 to 44 | 13.88% | 11.60% | 13.33% |
| Age 45 to 49 | 14.31% | 13.66% | 14.61% |
| Age 50 to 54 | 14.31% | 13.66% | 14.61% |
| Age 55 to 59 | 11.53% | 12.06% | 11.84% |
| Age 60 to 64 | 11.53% | 12.06% | 11.84% |
| Age 65 to 74 | 5.85% | 6.59% | 7.05% |
| Age 75 to 84 | 4.25% | 5.00% | 4.24% |
| Age 85 and over | 2.50% | 2.80% | 1.78% |
| RACE | | | |
| White | 85.02% | 93.11% | 72.41% |
| Black | 7.08% | 1.69% | 12.61% |
| Asian | 3.48% | 1.66% | 4.75% |
| American Indian | 0.47% | 1.20% | 0.95% |
| Other | 3.96% | 2.34% | 9.28% |
| Hispanic | 0.00% | 0.90% | 16.35% |
| Non-Hispanic | 100.00% | 99.10% | 83.65% |
| FAMILY | | | |
| Married, w/children | 26.43% | 24.87% | 30.42% |
| Married, no children | 42.09% | 41.28% | 42.46% |
| Single, w/children | 18.01% | 20.69% | 14.39% |
| Single, no children | 13.48% | 13.16% | 12.73% |
| Divorced | 15.00% | 16.48% | 10.62% |
| Separated | 3.62% | 4.25% | 4.97% |
| Widowed | 5.97% | 7.55% | 6.14% |
| Now Married | 34.15% | 37.29% | 46.32% |
| Never Married | 41.27% | 34.43% | 31.95% |
