| | Tarrant, AL | Forestdale, AL | United States |
| Population | 6,137 | 9,251 | 329,725,481 |
| Female Population | 51.7% | 54.9% | 50.5% |
| Male Population | 48.3% | 45.1% | 49.5% |
| Median Age | 35.5 | 41.7 | 38.4 |
| space3 | | | |
| Population - 2010 | 6,419 | 10,811 | 309,327,143 |
| Population - 2000 | 7,022 | 10,509 | 285,036,114 |
| Population - 1990 | 7,680 | 10,395 | 251,960,433 |
| Pop. 2000 to Now | -13.4% | -4.5% | 15.6% |
| Pop. 1990 to Now | -20.8% | -3.5% | 30.8% |
| space4 | | | |
| Population Density | 962.2 | 1,370.7 | 93.4 |
| Land Area | 6.4 | 6.7 | 3,531,905.4 |
| Water Area | 0.1 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Tarrant, AL | Forestdale, AL | United States |
| Age 0 to 4 | 4.8% | 3.6% | 5.9% |
| Age 5 to 9 | 6.0% | 6.3% | 6.1% |
| Age 10 to 14 | 9.4% | 4.5% | 6.6% |
| Age 15 to 17 | 3.5% | 5.2% | 3.9% |
| Age 18 to 20 | 3.2% | 3.2% | 4.0% |
| Age 21 to 24 | 6.2% | 4.0% | 5.2% |
| Age 25 to 34 | 15.8% | 13.4% | 13.8% |
| Age 35 to 44 | 15.8% | 12.6% | 12.9% |
| Age 45 to 54 | 7.8% | 11.9% | 12.6% |
| Age 55 to 59 | 5.1% | 8.2% | 6.7% |
| Age 60 to 64 | 6.6% | 7.4% | 6.3% |
| Age 65 to 74 | 8.4% | 13.5% | 9.6% |
| Age 75 to 84 | 5.6% | 4.1% | 4.5% |
| Age 85 and over | 1.7% | 2.1% | 1.9% |
| space1 | | | |
| Race | | | |
| | Tarrant, AL | Forestdale, AL | United States |
| White | 30.4% | 18.7% | 59.4% |
| Black | 57.8% | 76.2% | 12.2% |
| Asian | 0.0% | 0.8% | 5.6% |
| Native American | 0.1% | 0.4% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 1.2% | 1.4% | 3.2% |
| Hispanic | 10.6% | 2.5% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Tarrant, AL | Forestdale, AL | United States |
| Married Population | 29.0% | 39.1% | 49.8% |
| Currently Married | 27.7% | 34.2% | 48.0% |
| Married but Separated | 1.2% | 4.9% | 1.8% |
| Single Population | 71.0% | 60.9% | 50.2% |
| Never Married | 41.7% | 37.3% | 33.8% |
| Divorced | 18.1% | 14.8% | 10.8% |
| Widowed | 11.2% | 8.9% | 5.6% |
| space5 | | | |
| Household Size | 2.68 | 2.38 | 2.60 |
| Households | 2,234 | 3,890 | 124,010,992 |
| Family Households | 1,255 | 2,555 | 80,755,759 |
| Married couple, w/children | 13.2% | 16.1% | 30.5% |
| Married couple, no children | 29.7% | 35.1% | 42.9% |
| Non Family Households | 979 | 1,335 | 43,255,233 |
| Single householder, w/children | 33.9% | 26.1% | 15.8% |
| Single householder, no children | 23.2% | 22.7% | 10.8% |