| | Fort White, FL | Jackson, KY | United States |
| Population | 665 | 2,312 | 329,725,481 |
| Female Population | 50.8% | 56.3% | 50.5% |
| Male Population | 49.2% | 43.7% | 49.5% |
| Median Age | 34.1 | 43.9 | 38.4 |
| space3 | | | |
| Population - 2010 | 563 | 2,187 | 309,327,143 |
| Population - 2000 | 409 | 2,490 | 285,036,114 |
| Population - 1990 | 268 | 2,466 | 251,960,433 |
| Pop. 2000 to Now | 48.7% | -23.0% | 15.6% |
| Pop. 1990 to Now | 126.9% | -22.3% | 30.8% |
| space4 | | | |
| Population Density | 275.5 | 921.9 | 93.4 |
| Land Area | 2.4 | 2.5 | 3,531,905.4 |
| Water Area | 0.0 | 0.2 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Fort White, FL | Jackson, KY | United States |
| Age 0 to 4 | 9.0% | 4.2% | 5.9% |
| Age 5 to 9 | 7.5% | 4.2% | 6.1% |
| Age 10 to 14 | 6.5% | 6.6% | 6.6% |
| Age 15 to 17 | 5.7% | 2.6% | 3.9% |
| Age 18 to 20 | 2.4% | 2.0% | 4.0% |
| Age 21 to 24 | 4.8% | 6.3% | 5.2% |
| Age 25 to 34 | 18.0% | 13.4% | 13.8% |
| Age 35 to 44 | 19.7% | 14.7% | 12.9% |
| Age 45 to 54 | 5.4% | 13.7% | 12.6% |
| Age 55 to 59 | 4.7% | 2.6% | 6.7% |
| Age 60 to 64 | 3.9% | 9.6% | 6.3% |
| Age 65 to 74 | 5.9% | 8.8% | 9.6% |
| Age 75 to 84 | 6.5% | 9.0% | 4.5% |
| Age 85 and over | 0.0% | 2.2% | 1.9% |
| space1 | | | |
| Race | | | |
| | Fort White, FL | Jackson, KY | United States |
| White | 59.5% | 97.6% | 59.4% |
| Black | 24.4% | 0.0% | 12.2% |
| Asian | 0.0% | 1.6% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 2.3% | 0.0% | 0.4% |
| Two or More Races | 6.3% | 0.1% | 3.2% |
| Hispanic | 7.5% | 0.6% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Fort White, FL | Jackson, KY | United States |
| Married Population | 43.8% | 44.5% | 49.8% |
| Currently Married | 43.6% | 42.6% | 48.0% |
| Married but Separated | 0.2% | 1.8% | 1.8% |
| Single Population | 56.3% | 55.6% | 50.2% |
| Never Married | 35.7% | 23.1% | 33.8% |
| Divorced | 13.9% | 17.2% | 10.8% |
| Widowed | 6.6% | 15.3% | 5.6% |
| space5 | | | |
| Household Size | 3.05 | 2.12 | 2.60 |
| Households | 218 | 1,056 | 124,010,992 |
| Family Households | 153 | 553 | 80,755,759 |
| Married couple, w/children | 45.1% | 35.6% | 30.5% |
| Married couple, no children | 20.9% | 30.6% | 42.9% |
| Non Family Households | 65 | 503 | 43,255,233 |
| Single householder, w/children | 19.6% | 23.3% | 15.8% |
| Single householder, no children | 14.4% | 10.5% | 10.8% |