| PEOPLE | Middletown | Dublin | United States |
| Population | 48,694 | 41,751 | 308,035,306 |
| Pop. Density | 1,860 | 1,708 | 87 |
| Pop. Change | -6.12% | 37.52% | 8.07% |
| Median Age | 38.2 | 38.1 | 37.3 |
| Households | 20,238 | 14,984 | 116,716,292 |
| Household Size | 2.39 | 2.72 | 2.58 |
| Male Population | 47.54% | 49.38% | 49.27% |
| Female Population | 52.46% | 50.62% | 50.96% |
| Married Population | 42.43% | 64.66% | 47.02% |
| Single Population | 57.57% | 35.34% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 7.52% | 6.82% | 6.56% |
| Age 5 to 9 | 6.57% | 8.87% | 6.61% |
| Age 10 to 14 | 6.29% | 9.33% | 6.71% |
| Age 15 to 17 | 3.88% | 5.34% | 4.21% |
| Age 18 to 20 | 2.50% | 1.83% | 2.95% |
| Age 21 to 24 | 6.54% | 3.03% | 7.01% |
| Age 25 to 34 | 13.00% | 9.73% | 13.33% |
| Age 35 to 44 | 11.71% | 17.52% | 13.33% |
| Age 45 to 49 | 14.84% | 17.94% | 14.61% |
| Age 50 to 54 | 14.84% | 17.94% | 14.61% |
| Age 55 to 59 | 12.29% | 11.74% | 11.84% |
| Age 60 to 64 | 12.29% | 11.74% | 11.84% |
| Age 65 to 74 | 7.39% | 4.54% | 7.05% |
| Age 75 to 84 | 5.35% | 2.19% | 4.24% |
| Age 85 and over | 2.12% | 1.11% | 1.78% |
| RACE | | | |
| White | 83.26% | 80.50% | 72.41% |
| Black | 11.69% | 1.80% | 12.61% |
| Asian | 0.48% | 15.29% | 4.75% |
| American Indian | 0.22% | 0.06% | 0.95% |
| Other | 4.36% | 2.35% | 9.28% |
| Hispanic | 9.14% | 0.00% | 16.35% |
| Non-Hispanic | 90.86% | 100.00% | 83.65% |
| FAMILY | | | |
| Married, w/children | 20.48% | 49.99% | 30.42% |
| Married, no children | 40.94% | 39.41% | 42.46% |
| Single, w/children | 22.57% | 6.91% | 14.39% |
| Single, no children | 16.02% | 3.68% | 12.73% |
| Divorced | 16.90% | 7.10% | 10.62% |
| Separated | 4.96% | 2.15% | 4.97% |
| Widowed | 7.73% | 2.84% | 6.14% |
| Now Married | 42.22% | 64.73% | 46.32% |
| Never Married | 28.19% | 23.19% | 31.95% |
