| | Lucas, TX | Florence, KY | United States |
| Population | 7,437 | 31,699 | 329,725,481 |
| Female Population | 49.1% | 49.8% | 50.5% |
| Male Population | 50.9% | 50.2% | 49.5% |
| Median Age | 45.8 | 38.9 | 38.4 |
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| Population - 2010 | 5,454 | 29,668 | 309,327,143 |
| Population - 2000 | 2,890 | 23,551 | 285,036,114 |
| Population - 1990 | 2,205 | 18,624 | 251,960,433 |
| Pop. 2000 to Now | 205.2% | 41.9% | 15.6% |
| Pop. 1990 to Now | 300.0% | 79.5% | 30.8% |
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| Population Density | 516.1 | 2,971.7 | 93.4 |
| Land Area | 14.4 | 10.7 | 3,531,905.4 |
| Water Area | 0.3 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Lucas, TX | Florence, KY | United States |
| Age 0 to 4 | 3.3% | 6.9% | 5.9% |
| Age 5 to 9 | 5.2% | 5.9% | 6.1% |
| Age 10 to 14 | 12.2% | 5.3% | 6.6% |
| Age 15 to 17 | 6.6% | 5.1% | 3.9% |
| Age 18 to 20 | 3.2% | 3.7% | 4.0% |
| Age 21 to 24 | 2.2% | 4.1% | 5.2% |
| Age 25 to 34 | 5.5% | 14.8% | 13.8% |
| Age 35 to 44 | 9.9% | 12.7% | 12.9% |
| Age 45 to 54 | 21.9% | 12.1% | 12.6% |
| Age 55 to 59 | 11.0% | 6.8% | 6.7% |
| Age 60 to 64 | 10.5% | 5.2% | 6.3% |
| Age 65 to 74 | 6.5% | 10.2% | 9.6% |
| Age 75 to 84 | 2.0% | 4.9% | 4.5% |
| Age 85 and over | 0.1% | 2.2% | 1.9% |
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| Race | | | |
| | Lucas, TX | Florence, KY | United States |
| White | 81.1% | 82.4% | 59.4% |
| Black | 4.0% | 6.5% | 12.2% |
| Asian | 3.5% | 3.4% | 5.6% |
| Native American | 0.4% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 1.2% | 3.6% | 3.2% |
| Hispanic | 9.7% | 4.2% | 18.4% |
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| Marriage & Family | | | |
| | Lucas, TX | Florence, KY | United States |
| Married Population | 69.6% | 45.5% | 49.8% |
| Currently Married | 69.6% | 44.1% | 48.0% |
| Married but Separated | 0.0% | 1.4% | 1.8% |
| Single Population | 30.4% | 54.5% | 50.2% |
| Never Married | 19.6% | 30.4% | 33.8% |
| Divorced | 8.7% | 17.4% | 10.8% |
| Widowed | 2.1% | 6.8% | 5.6% |
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| Household Size | 3.08 | 2.39 | 2.60 |
| Households | 2,412 | 13,137 | 124,010,992 |
| Family Households | 2,027 | 7,827 | 80,755,759 |
| Married couple, w/children | 46.2% | 25.0% | 30.5% |
| Married couple, no children | 48.0% | 40.3% | 42.9% |
| Non Family Households | 385 | 5,310 | 43,255,233 |
| Single householder, w/children | 2.7% | 21.0% | 15.8% |
| Single householder, no children | 3.1% | 13.7% | 10.8% |