| PEOPLE | Dover | Ridgewood | United States |
| Population | 12,826 | 24,958 | 308,035,306 |
| Pop. Density | 2,256 | 4,339 | 87 |
| Pop. Change | 2.42% | 0.24% | 8.07% |
| Median Age | 42.9 | 40.9 | 37.3 |
| Households | 5,181 | 8,456 | 116,716,292 |
| Household Size | 2.38 | 2.93 | 2.58 |
| Male Population | 47.44% | 48.27% | 49.27% |
| Female Population | 52.56% | 51.73% | 50.96% |
| Married Population | 51.63% | 63.52% | 47.02% |
| Single Population | 48.37% | 36.48% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 5.89% | 6.21% | 6.56% |
| Age 5 to 9 | 6.05% | 9.05% | 6.61% |
| Age 10 to 14 | 6.88% | 9.65% | 6.71% |
| Age 15 to 17 | 3.45% | 5.74% | 4.21% |
| Age 18 to 20 | 2.10% | 1.92% | 2.95% |
| Age 21 to 24 | 5.08% | 3.25% | 7.01% |
| Age 25 to 34 | 11.58% | 6.37% | 13.33% |
| Age 35 to 44 | 11.26% | 14.78% | 13.33% |
| Age 45 to 49 | 13.26% | 18.13% | 14.61% |
| Age 50 to 54 | 13.26% | 18.13% | 14.61% |
| Age 55 to 59 | 12.39% | 12.42% | 11.84% |
| Age 60 to 64 | 12.39% | 12.42% | 11.84% |
| Age 65 to 74 | 8.29% | 6.39% | 7.05% |
| Age 75 to 84 | 8.01% | 4.03% | 4.24% |
| Age 85 and over | 5.75% | 2.06% | 1.78% |
| RACE | | | |
| White | 94.10% | 82.21% | 72.41% |
| Black | 1.08% | 1.59% | 12.61% |
| Asian | 0.53% | 12.99% | 4.75% |
| American Indian | 0.58% | 0.06% | 0.95% |
| Other | 3.71% | 3.14% | 9.28% |
| Hispanic | 0.19% | 0.65% | 16.35% |
| Non-Hispanic | 99.81% | 99.35% | 83.65% |
| FAMILY | | | |
| Married, w/children | 29.00% | 50.23% | 30.42% |
| Married, no children | 49.17% | 36.19% | 42.46% |
| Single, w/children | 12.16% | 6.54% | 14.39% |
| Single, no children | 9.68% | 7.04% | 12.73% |
| Divorced | 12.55% | 4.62% | 10.62% |
| Separated | 3.77% | 3.28% | 4.97% |
| Widowed | 9.50% | 5.01% | 6.14% |
| Now Married | 51.48% | 63.20% | 46.32% |
| Never Married | 22.70% | 23.88% | 31.95% |