| PEOPLE | Oak Harbor | Aurora | United States |
| Population | 22,075 | 325,078 | 308,035,306 |
| Pop. Density | 2,343 | 2,101 | 87 |
| Pop. Change | 4.76% | 19.51% | 8.07% |
| Median Age | 29.1 | 33.2 | 37.3 |
| Households | 8,677 | 121,901 | 116,716,292 |
| Household Size | 2.5 | 2.66 | 2.58 |
| Male Population | 49.16% | 49.25% | 49.27% |
| Female Population | 50.84% | 50.75% | 50.96% |
| Married Population | 55.23% | 44.54% | 47.02% |
| Single Population | 44.77% | 55.46% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 10.36% | 8.36% | 6.56% |
| Age 5 to 9 | 7.93% | 7.77% | 6.61% |
| Age 10 to 14 | 6.42% | 7.03% | 6.71% |
| Age 15 to 17 | 3.58% | 4.17% | 4.21% |
| Age 18 to 20 | 2.36% | 2.46% | 2.95% |
| Age 21 to 24 | 10.01% | 6.82% | 7.01% |
| Age 25 to 34 | 19.63% | 16.21% | 13.33% |
| Age 35 to 44 | 12.35% | 14.53% | 13.33% |
| Age 45 to 49 | 9.65% | 13.35% | 14.61% |
| Age 50 to 54 | 9.65% | 13.35% | 14.61% |
| Age 55 to 59 | 7.35% | 10.36% | 11.84% |
| Age 60 to 64 | 7.35% | 10.36% | 11.84% |
| Age 65 to 74 | 5.07% | 5.13% | 7.05% |
| Age 75 to 84 | 3.25% | 2.71% | 4.24% |
| Age 85 and over | 2.02% | 1.10% | 1.78% |
| RACE | | | |
| White | 72.58% | 61.13% | 72.41% |
| Black | 4.85% | 15.75% | 12.61% |
| Asian | 10.21% | 4.95% | 4.75% |
| American Indian | 0.88% | 0.95% | 0.95% |
| Other | 11.47% | 17.22% | 9.28% |
| Hispanic | 3.17% | 5.17% | 16.35% |
| Non-Hispanic | 96.83% | 94.83% | 83.65% |
| FAMILY | | | |
| Married, w/children | 38.87% | 33.23% | 30.42% |
| Married, no children | 38.68% | 35.65% | 42.46% |
| Single, w/children | 16.24% | 18.18% | 14.39% |
| Single, no children | 6.22% | 12.95% | 12.73% |
| Divorced | 10.63% | 13.36% | 10.62% |
| Separated | 7.59% | 5.93% | 4.97% |
| Widowed | 5.97% | 4.79% | 6.14% |
| Now Married | 55.32% | 44.54% | 46.32% |
| Never Married | 20.50% | 31.38% | 31.95% |
