| | Superior, AZ | Amelia, OH | United States |
| Population | 2,679 | 11,795 | 329,725,481 |
| Female Population | 53.0% | 50.7% | 50.5% |
| Male Population | 47.0% | 49.3% | 49.5% |
| Median Age | 53.7 | 33.9 | 38.4 |
| space3 | | | |
| Population - 2010 | 2,879 | 4,786 | 309,327,143 |
| Population - 2000 | 3,254 | 2,752 | 285,036,114 |
| Population - 1990 | 3,468 | 1,837 | 251,960,433 |
| Pop. 2000 to Now | -0.7% | 92.9% | 15.6% |
| Pop. 1990 to Now | -6.8% | 189.0% | 30.8% |
| space4 | | | |
| Population Density | 1,365.4 | 6,582.0 | 93.4 |
| Land Area | 2.0 | 1.8 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Superior, AZ | Amelia, OH | United States |
| Age 0 to 4 | 2.7% | 10.3% | 5.9% |
| Age 5 to 9 | 4.3% | 8.9% | 6.1% |
| Age 10 to 14 | 2.9% | 3.4% | 6.6% |
| Age 15 to 17 | 2.8% | 1.8% | 3.9% |
| Age 18 to 20 | 2.2% | 3.1% | 4.0% |
| Age 21 to 24 | 3.9% | 5.1% | 5.2% |
| Age 25 to 34 | 12.2% | 19.2% | 13.8% |
| Age 35 to 44 | 11.3% | 13.5% | 12.9% |
| Age 45 to 54 | 10.0% | 12.8% | 12.6% |
| Age 55 to 59 | 3.2% | 4.2% | 6.7% |
| Age 60 to 64 | 10.3% | 5.2% | 6.3% |
| Age 65 to 74 | 21.1% | 6.8% | 9.6% |
| Age 75 to 84 | 7.2% | 5.3% | 4.5% |
| Age 85 and over | 5.8% | 0.4% | 1.9% |
| space1 | | | |
| Race | | | |
| | Superior, AZ | Amelia, OH | United States |
| White | 33.1% | 94.4% | 59.4% |
| Black | 0.6% | 1.3% | 12.2% |
| Asian | 3.4% | 0.0% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.1% | 0.3% | 0.4% |
| Two or More Races | 0.5% | 0.9% | 3.2% |
| Hispanic | 62.4% | 3.1% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Superior, AZ | Amelia, OH | United States |
| Married Population | 41.9% | 52.4% | 49.8% |
| Currently Married | 39.9% | 49.2% | 48.0% |
| Married but Separated | 2.0% | 3.2% | 1.8% |
| Single Population | 58.1% | 47.6% | 50.2% |
| Never Married | 29.9% | 28.5% | 33.8% |
| Divorced | 17.0% | 12.0% | 10.8% |
| Widowed | 11.2% | 7.1% | 5.6% |
| space5 | | | |
| Household Size | 2.09 | 2.40 | 2.60 |
| Households | 1,284 | 4,915 | 124,010,992 |
| Family Households | 609 | 2,786 | 80,755,759 |
| Married couple, w/children | 24.1% | 43.7% | 30.5% |
| Married couple, no children | 46.6% | 33.1% | 42.9% |
| Non Family Households | 675 | 2,129 | 43,255,233 |
| Single householder, w/children | 7.9% | 10.3% | 15.8% |
| Single householder, no children | 21.3% | 12.9% | 10.8% |