| PEOPLE | Portland | Eureka | United States |
| Population | 583,776 | 27,191 | 308,035,306 |
| Pop. Density | 4,375 | 2,898 | 87 |
| Pop. Change | 11.22% | 5.27% | 8.07% |
| Median Age | 35.9 | 36.3 | 37.3 |
| Households | 248,546 | 11,150 | 116,716,292 |
| Household Size | 2.27 | 2.28 | 2.58 |
| Male Population | 49.54% | 51.45% | 49.27% |
| Female Population | 50.46% | 48.55% | 50.96% |
| Married Population | 38.61% | 35.27% | 47.02% |
| Single Population | 61.39% | 64.73% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 6.03% | 6.06% | 6.56% |
| Age 5 to 9 | 5.38% | 5.32% | 6.61% |
| Age 10 to 14 | 4.82% | 5.03% | 6.71% |
| Age 15 to 17 | 2.88% | 3.56% | 4.21% |
| Age 18 to 20 | 2.40% | 2.69% | 2.95% |
| Age 21 to 24 | 7.35% | 8.72% | 7.01% |
| Age 25 to 34 | 19.59% | 16.89% | 13.33% |
| Age 35 to 44 | 15.94% | 12.61% | 13.33% |
| Age 45 to 49 | 13.33% | 14.03% | 14.61% |
| Age 50 to 54 | 13.33% | 14.03% | 14.61% |
| Age 55 to 59 | 11.87% | 13.27% | 11.84% |
| Age 60 to 64 | 11.87% | 13.27% | 11.84% |
| Age 65 to 74 | 5.44% | 6.29% | 7.05% |
| Age 75 to 84 | 3.22% | 3.76% | 4.24% |
| Age 85 and over | 1.75% | 1.78% | 1.78% |
| RACE | | | |
| White | 76.09% | 79.31% | 72.41% |
| Black | 6.29% | 1.89% | 12.61% |
| Asian | 7.14% | 4.24% | 4.75% |
| American Indian | 1.03% | 3.72% | 0.95% |
| Other | 9.45% | 10.84% | 9.28% |
| Hispanic | 64.38% | 74.98% | 16.35% |
| Non-Hispanic | 35.63% | 25.02% | 83.65% |
| FAMILY | | | |
| Married, w/children | 29.88% | 22.55% | 30.42% |
| Married, no children | 41.98% | 39.66% | 42.46% |
| Single, w/children | 15.13% | 21.55% | 14.39% |
| Single, no children | 13.01% | 16.24% | 12.73% |
| Divorced | 14.02% | 14.72% | 10.62% |
| Separated | 4.89% | 6.41% | 4.97% |
| Widowed | 5.00% | 6.66% | 6.14% |
| Now Married | 39.13% | 34.93% | 46.32% |
| Never Married | 36.96% | 37.28% | 31.95% |
