| | Blountville, TN | Tuscumbia, AL | United States |
| Population | 3,295 | 8,977 | 329,725,481 |
| Female Population | 40.1% | 54.6% | 50.5% |
| Male Population | 59.9% | 45.4% | 49.5% |
| Median Age | 43.3 | 37.1 | 38.4 |
| space3 | | | |
| Population - 2010 | 3,342 | 8,592 | 309,327,143 |
| Population - 2000 | 2,959 | 7,856 | 285,036,114 |
| Population - 1990 | 2,605 | 8,413 | 251,960,433 |
| Pop. 2000 to Now | -8.9% | 7.7% | 15.6% |
| Pop. 1990 to Now | 3.5% | 0.6% | 30.8% |
| space4 | | | |
| Population Density | 667.8 | 973.5 | 93.4 |
| Land Area | 4.9 | 9.2 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Blountville, TN | Tuscumbia, AL | United States |
| Age 0 to 4 | 2.6% | 8.0% | 5.9% |
| Age 5 to 9 | 2.2% | 7.6% | 6.1% |
| Age 10 to 14 | 3.2% | 7.5% | 6.6% |
| Age 15 to 17 | 1.5% | 3.4% | 3.9% |
| Age 18 to 20 | 1.7% | 4.2% | 4.0% |
| Age 21 to 24 | 4.5% | 2.8% | 5.2% |
| Age 25 to 34 | 19.5% | 13.7% | 13.8% |
| Age 35 to 44 | 16.9% | 10.8% | 12.9% |
| Age 45 to 54 | 16.8% | 11.9% | 12.6% |
| Age 55 to 59 | 9.2% | 4.9% | 6.7% |
| Age 60 to 64 | 3.8% | 6.8% | 6.3% |
| Age 65 to 74 | 12.8% | 9.4% | 9.6% |
| Age 75 to 84 | 3.8% | 7.3% | 4.5% |
| Age 85 and over | 1.4% | 1.8% | 1.9% |
| space1 | | | |
| Race | | | |
| | Blountville, TN | Tuscumbia, AL | United States |
| White | 96.1% | 67.9% | 59.4% |
| Black | 1.6% | 23.2% | 12.2% |
| Asian | 0.0% | 0.7% | 5.6% |
| Native American | 0.5% | 0.6% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 0.7% | 3.3% | 3.2% |
| Hispanic | 1.1% | 4.2% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Blountville, TN | Tuscumbia, AL | United States |
| Married Population | 52.1% | 46.2% | 49.8% |
| Currently Married | 45.4% | 44.9% | 48.0% |
| Married but Separated | 6.8% | 1.2% | 1.8% |
| Single Population | 47.9% | 53.8% | 50.2% |
| Never Married | 24.6% | 28.9% | 33.8% |
| Divorced | 16.2% | 15.5% | 10.8% |
| Widowed | 7.0% | 9.4% | 5.6% |
| space5 | | | |
| Household Size | 2.44 | 2.43 | 2.60 |
| Households | 984 | 3,608 | 124,010,992 |
| Family Households | 770 | 2,190 | 80,755,759 |
| Married couple, w/children | 11.6% | 28.7% | 30.5% |
| Married couple, no children | 65.5% | 37.9% | 42.9% |
| Non Family Households | 214 | 1,418 | 43,255,233 |
| Single householder, w/children | 11.0% | 22.6% | 15.8% |
| Single householder, no children | 11.9% | 10.8% | 10.8% |