| | Bulls Gap, TN | Havana, FL | United States |
| Population | 909 | 2,028 | 329,725,481 |
| Female Population | 47.8% | 53.4% | 50.5% |
| Male Population | 52.3% | 46.7% | 49.5% |
| Median Age | 48.2 | 50.8 | 38.4 |
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| Population - 2010 | 746 | 1,755 | 309,327,143 |
| Population - 2000 | 714 | 1,713 | 285,036,114 |
| Population - 1990 | 659 | 1,654 | 251,960,433 |
| Pop. 2000 to Now | 0.4% | -1.1% | 15.6% |
| Pop. 1990 to Now | 8.8% | 2.5% | 30.8% |
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| Population Density | 746.3 | 738.8 | 93.4 |
| Land Area | 1.2 | 2.7 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Bulls Gap, TN | Havana, FL | United States |
| Age 0 to 4 | 3.1% | 5.9% | 5.9% |
| Age 5 to 9 | 6.8% | 8.2% | 6.1% |
| Age 10 to 14 | 6.2% | 4.3% | 6.6% |
| Age 15 to 17 | 4.5% | 3.1% | 3.9% |
| Age 18 to 20 | 2.1% | 3.3% | 4.0% |
| Age 21 to 24 | 3.5% | 0.3% | 5.2% |
| Age 25 to 34 | 9.2% | 11.5% | 13.8% |
| Age 35 to 44 | 11.8% | 7.0% | 12.9% |
| Age 45 to 54 | 15.1% | 12.0% | 12.6% |
| Age 55 to 59 | 7.9% | 7.8% | 6.7% |
| Age 60 to 64 | 6.3% | 5.5% | 6.3% |
| Age 65 to 74 | 12.4% | 21.3% | 9.6% |
| Age 75 to 84 | 9.7% | 5.8% | 4.5% |
| Age 85 and over | 1.4% | 3.9% | 1.9% |
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| Race | | | |
| | Bulls Gap, TN | Havana, FL | United States |
| White | 90.8% | 36.2% | 59.4% |
| Black | 0.0% | 57.6% | 12.2% |
| Asian | 0.0% | 0.0% | 5.6% |
| Native American | 0.6% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 2.3% | 1.1% | 3.2% |
| Hispanic | 6.4% | 5.0% | 18.4% |
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| Marriage & Family | | | |
| | Bulls Gap, TN | Havana, FL | United States |
| Married Population | 42.6% | 47.3% | 49.8% |
| Currently Married | 40.5% | 43.7% | 48.0% |
| Married but Separated | 2.1% | 3.6% | 1.8% |
| Single Population | 57.4% | 52.7% | 50.2% |
| Never Married | 32.1% | 28.6% | 33.8% |
| Divorced | 13.1% | 12.3% | 10.8% |
| Widowed | 12.2% | 11.9% | 5.6% |
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| Household Size | 2.54 | 2.46 | 2.60 |
| Households | 358 | 825 | 124,010,992 |
| Family Households | 215 | 524 | 80,755,759 |
| Married couple, w/children | 24.2% | 12.8% | 30.5% |
| Married couple, no children | 43.3% | 53.4% | 42.9% |
| Non Family Households | 143 | 301 | 43,255,233 |
| Single householder, w/children | 21.4% | 16.2% | 15.8% |
| Single householder, no children | 11.2% | 17.6% | 10.8% |