| | Dover, KY | Dover, OH | United States |
| Population | 282 | 13,083 | 329,725,481 |
| Female Population | 52.8% | 53.3% | 50.5% |
| Male Population | 47.2% | 46.7% | 49.5% |
| Median Age | 41.8 | 38.8 | 38.4 |
| space3 | | | |
| Population - 2010 | 252 | 12,866 | 309,327,143 |
| Population - 2000 | 316 | 12,210 | 285,036,114 |
| Population - 1990 | 297 | 11,329 | 251,960,433 |
| Pop. 2000 to Now | -20.3% | 4.0% | 15.6% |
| Pop. 1990 to Now | -15.2% | 12.0% | 30.8% |
| space4 | | | |
| Population Density | 654.3 | 2,298.9 | 93.4 |
| Land Area | 0.4 | 5.7 | 3,531,905.4 |
| Water Area | 0.0 | 0.1 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Dover, KY | Dover, OH | United States |
| Age 0 to 4 | 9.6% | 4.4% | 5.9% |
| Age 5 to 9 | 6.4% | 5.8% | 6.1% |
| Age 10 to 14 | 2.5% | 9.6% | 6.6% |
| Age 15 to 17 | 2.1% | 6.2% | 3.9% |
| Age 18 to 20 | 2.1% | 3.1% | 4.0% |
| Age 21 to 24 | 1.8% | 5.3% | 5.2% |
| Age 25 to 34 | 16.7% | 7.9% | 13.8% |
| Age 35 to 44 | 12.8% | 15.5% | 12.9% |
| Age 45 to 54 | 16.3% | 9.7% | 12.6% |
| Age 55 to 59 | 5.7% | 5.6% | 6.7% |
| Age 60 to 64 | 5.7% | 5.6% | 6.3% |
| Age 65 to 74 | 6.7% | 10.1% | 9.6% |
| Age 75 to 84 | 11.0% | 7.1% | 4.5% |
| Age 85 and over | 0.7% | 3.9% | 1.9% |
| space1 | | | |
| Race | | | |
| | Dover, KY | Dover, OH | United States |
| White | 100.0% | 93.0% | 59.4% |
| Black | 0.0% | 0.4% | 12.2% |
| Asian | 0.0% | 0.1% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 0.0% | 2.1% | 3.2% |
| Hispanic | 0.0% | 4.3% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Dover, KY | Dover, OH | United States |
| Married Population | 48.7% | 48.4% | 49.8% |
| Currently Married | 48.7% | 47.0% | 48.0% |
| Married but Separated | 0.0% | 1.4% | 1.8% |
| Single Population | 51.3% | 51.6% | 50.2% |
| Never Married | 21.7% | 31.5% | 33.8% |
| Divorced | 23.9% | 11.2% | 10.8% |
| Widowed | 5.7% | 8.9% | 5.6% |
| space5 | | | |
| Household Size | 2.43 | 2.51 | 2.60 |
| Households | 116 | 5,080 | 124,010,992 |
| Family Households | 82 | 3,002 | 80,755,759 |
| Married couple, w/children | 28.0% | 34.4% | 30.5% |
| Married couple, no children | 31.7% | 42.2% | 42.9% |
| Non Family Households | 34 | 2,078 | 43,255,233 |
| Single householder, w/children | 26.8% | 14.7% | 15.8% |
| Single householder, no children | 13.4% | 8.7% | 10.8% |