| | Huntsville, TN | Groveland, FL | United States |
| Population | 1,487 | 17,896 | 329,725,481 |
| Female Population | 53.9% | 54.0% | 50.5% |
| Male Population | 46.1% | 46.0% | 49.5% |
| Median Age | 37.9 | 41.1 | 38.4 |
| space3 | | | |
| Population - 2010 | 1,255 | 8,746 | 309,327,143 |
| Population - 2000 | 981 | 2,360 | 285,036,114 |
| Population - 1990 | 660 | 2,300 | 251,960,433 |
| Pop. 2000 to Now | 31.0% | 661.1% | 15.6% |
| Pop. 1990 to Now | 94.7% | 680.9% | 30.8% |
| space4 | | | |
| Population Density | 382.2 | 1,111.2 | 93.4 |
| Land Area | 3.9 | 16.1 | 3,531,905.4 |
| Water Area | 0.0 | 5.3 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Huntsville, TN | Groveland, FL | United States |
| Age 0 to 4 | 2.1% | 6.8% | 5.9% |
| Age 5 to 9 | 4.2% | 6.4% | 6.1% |
| Age 10 to 14 | 12.9% | 5.9% | 6.6% |
| Age 15 to 17 | 6.9% | 3.5% | 3.9% |
| Age 18 to 20 | 3.7% | 3.5% | 4.0% |
| Age 21 to 24 | 6.1% | 5.5% | 5.2% |
| Age 25 to 34 | 10.8% | 10.5% | 13.8% |
| Age 35 to 44 | 17.5% | 15.7% | 12.9% |
| Age 45 to 54 | 10.5% | 12.7% | 12.6% |
| Age 55 to 59 | 7.1% | 4.9% | 6.7% |
| Age 60 to 64 | 5.2% | 4.8% | 6.3% |
| Age 65 to 74 | 7.3% | 13.5% | 9.6% |
| Age 75 to 84 | 4.0% | 5.6% | 4.5% |
| Age 85 and over | 1.9% | 0.7% | 1.9% |
| space1 | | | |
| Race | | | |
| | Huntsville, TN | Groveland, FL | United States |
| White | 93.7% | 47.2% | 59.4% |
| Black | 3.9% | 14.6% | 12.2% |
| Asian | 0.5% | 5.7% | 5.6% |
| Native American | 1.3% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.2% | 0.2% |
| Other | 0.3% | 0.5% | 0.4% |
| Two or More Races | 0.3% | 1.1% | 3.2% |
| Hispanic | 0.0% | 30.6% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Huntsville, TN | Groveland, FL | United States |
| Married Population | 35.8% | 53.3% | 49.8% |
| Currently Married | 30.1% | 50.6% | 48.0% |
| Married but Separated | 5.7% | 2.7% | 1.8% |
| Single Population | 64.2% | 46.7% | 50.2% |
| Never Married | 36.9% | 26.2% | 33.8% |
| Divorced | 18.6% | 12.7% | 10.8% |
| Widowed | 8.8% | 7.9% | 5.6% |
| space5 | | | |
| Household Size | 2.28 | 2.64 | 2.60 |
| Households | 546 | 6,766 | 124,010,992 |
| Family Households | 271 | 4,824 | 80,755,759 |
| Married couple, w/children | 39.1% | 22.5% | 30.5% |
| Married couple, no children | 18.1% | 48.6% | 42.9% |
| Non Family Households | 275 | 1,942 | 43,255,233 |
| Single householder, w/children | 33.6% | 20.6% | 15.8% |
| Single householder, no children | 9.2% | 8.4% | 10.8% |