| | Alexandria, AL | Elba, AL | United States |
| Population | 4,092 | 3,449 | 329,725,481 |
| Female Population | 54.0% | 47.4% | 50.5% |
| Male Population | 46.0% | 52.6% | 49.5% |
| Median Age | 38.8 | 46.9 | 38.4 |
| space3 | | | |
| Population - 2010 | 3,745 | 3,952 | 309,327,143 |
| Population - 2000 | 3,692 | 4,185 | 285,036,114 |
| Population - 1990 | 2,971 | 4,011 | 251,960,433 |
| Pop. 2000 to Now | 11.8% | -6.4% | 15.6% |
| Pop. 1990 to Now | 38.9% | -2.3% | 30.8% |
| space4 | | | |
| Population Density | 367.6 | 224.9 | 93.4 |
| Land Area | 11.1 | 15.3 | 3,531,905.4 |
| Water Area | 0.0 | 0.1 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Alexandria, AL | Elba, AL | United States |
| Age 0 to 4 | 3.4% | 6.5% | 5.9% |
| Age 5 to 9 | 4.6% | 3.6% | 6.1% |
| Age 10 to 14 | 4.7% | 4.7% | 6.6% |
| Age 15 to 17 | 4.3% | 2.8% | 3.9% |
| Age 18 to 20 | 4.1% | 2.3% | 4.0% |
| Age 21 to 24 | 3.9% | 6.9% | 5.2% |
| Age 25 to 34 | 13.7% | 14.9% | 13.8% |
| Age 35 to 44 | 20.0% | 6.5% | 12.9% |
| Age 45 to 54 | 11.0% | 16.7% | 12.6% |
| Age 55 to 59 | 7.2% | 5.7% | 6.7% |
| Age 60 to 64 | 4.6% | 7.4% | 6.3% |
| Age 65 to 74 | 12.0% | 13.5% | 9.6% |
| Age 75 to 84 | 6.3% | 6.7% | 4.5% |
| Age 85 and over | 0.3% | 1.9% | 1.9% |
| space1 | | | |
| Race | | | |
| | Alexandria, AL | Elba, AL | United States |
| White | 82.0% | 60.7% | 59.4% |
| Black | 9.8% | 36.3% | 12.2% |
| Asian | 0.0% | 0.1% | 5.6% |
| Native American | 0.0% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 4.1% | 0.0% | 0.2% |
| Other | 1.5% | 0.0% | 0.4% |
| Two or More Races | 2.5% | 2.6% | 3.2% |
| Hispanic | 0.0% | 0.0% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Alexandria, AL | Elba, AL | United States |
| Married Population | 55.9% | 38.5% | 49.8% |
| Currently Married | 55.3% | 33.5% | 48.0% |
| Married but Separated | 0.6% | 5.0% | 1.8% |
| Single Population | 44.1% | 61.5% | 50.2% |
| Never Married | 28.0% | 36.1% | 33.8% |
| Divorced | 8.1% | 19.0% | 10.8% |
| Widowed | 7.9% | 6.4% | 5.6% |
| space5 | | | |
| Household Size | 3.02 | 2.66 | 2.60 |
| Households | 1,356 | 1,177 | 124,010,992 |
| Family Households | 1,101 | 819 | 80,755,759 |
| Married couple, w/children | 31.6% | 13.3% | 30.5% |
| Married couple, no children | 45.1% | 42.5% | 42.9% |
| Non Family Households | 255 | 358 | 43,255,233 |
| Single householder, w/children | 10.5% | 31.7% | 15.8% |
| Single householder, no children | 12.7% | 12.5% | 10.8% |