| | Mockingbird Valley, KY | Florence, KY | United States |
| Population | 154 | 31,699 | 329,725,481 |
| Female Population | 43.5% | 49.8% | 50.5% |
| Male Population | 56.5% | 50.2% | 49.5% |
| Median Age | 49.6 | 38.9 | 38.4 |
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| Population - 2010 | 160 | 29,668 | 309,327,143 |
| Population - 2000 | 190 | 23,551 | 285,036,114 |
| Population - 1990 | 177 | 18,624 | 251,960,433 |
| Pop. 2000 to Now | -14.2% | 41.9% | 15.6% |
| Pop. 1990 to Now | -7.9% | 79.5% | 30.8% |
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| Population Density | 729.9 | 2,971.7 | 93.4 |
| Land Area | 0.2 | 10.7 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Mockingbird Valley, KY | Florence, KY | United States |
| Age 0 to 4 | 1.3% | 6.9% | 5.9% |
| Age 5 to 9 | 9.1% | 5.9% | 6.1% |
| Age 10 to 14 | 11.0% | 5.3% | 6.6% |
| Age 15 to 17 | 6.5% | 5.1% | 3.9% |
| Age 18 to 20 | 0.6% | 3.7% | 4.0% |
| Age 21 to 24 | 0.6% | 4.1% | 5.2% |
| Age 25 to 34 | 2.6% | 14.8% | 13.8% |
| Age 35 to 44 | 9.1% | 12.7% | 12.9% |
| Age 45 to 54 | 18.8% | 12.1% | 12.6% |
| Age 55 to 59 | 3.9% | 6.8% | 6.7% |
| Age 60 to 64 | 7.8% | 5.2% | 6.3% |
| Age 65 to 74 | 20.8% | 10.2% | 9.6% |
| Age 75 to 84 | 5.8% | 4.9% | 4.5% |
| Age 85 and over | 1.9% | 2.2% | 1.9% |
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| Race | | | |
| | Mockingbird Valley, KY | Florence, KY | United States |
| White | 98.7% | 82.4% | 59.4% |
| Black | 0.0% | 6.5% | 12.2% |
| Asian | 1.3% | 3.4% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 0.0% | 3.6% | 3.2% |
| Hispanic | 0.0% | 4.2% | 18.4% |
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| Marriage & Family | | | |
| | Mockingbird Valley, KY | Florence, KY | United States |
| Married Population | 75.2% | 45.5% | 49.8% |
| Currently Married | 74.4% | 44.1% | 48.0% |
| Married but Separated | 0.8% | 1.4% | 1.8% |
| Single Population | 24.8% | 54.5% | 50.2% |
| Never Married | 12.4% | 30.4% | 33.8% |
| Divorced | 4.1% | 17.4% | 10.8% |
| Widowed | 8.3% | 6.8% | 5.6% |
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| Household Size | 2.44 | 2.39 | 2.60 |
| Households | 63 | 13,137 | 124,010,992 |
| Family Households | 49 | 7,827 | 80,755,759 |
| Married couple, w/children | 42.9% | 25.0% | 30.5% |
| Married couple, no children | 53.1% | 40.3% | 42.9% |
| Non Family Households | 14 | 5,310 | 43,255,233 |
| Single householder, w/children | 2.0% | 21.0% | 15.8% |
| Single householder, no children | 2.0% | 13.7% | 10.8% |