| | Morgan City, MS | Alexander City, AL | United States |
| Population | 254 | 14,765 | 329,725,481 |
| Female Population | 53.5% | 51.4% | 50.5% |
| Male Population | 46.5% | 48.6% | 49.5% |
| Median Age | 36.4 | 40.9 | 38.4 |
| space3 | | | |
| Population - 2010 | 255 | 14,925 | 309,327,143 |
| Population - 2000 | 305 | 15,008 | 285,036,114 |
| Population - 1990 | 139 | 14,917 | 251,960,433 |
| Pop. 2000 to Now | -22.6% | -5.8% | 15.6% |
| Pop. 1990 to Now | 69.8% | -5.2% | 30.8% |
| space4 | | | |
| Population Density | 432.7 | 351.6 | 93.4 |
| Land Area | 0.6 | 42.0 | 3,531,905.4 |
| Water Area | 0.0 | 0.3 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Morgan City, MS | Alexander City, AL | United States |
| Age 0 to 4 | 1.6% | 7.8% | 5.9% |
| Age 5 to 9 | 5.5% | 7.4% | 6.1% |
| Age 10 to 14 | 6.3% | 5.5% | 6.6% |
| Age 15 to 17 | 15.0% | 2.9% | 3.9% |
| Age 18 to 20 | 10.2% | 4.6% | 4.0% |
| Age 21 to 24 | 2.4% | 3.8% | 5.2% |
| Age 25 to 34 | 7.9% | 12.2% | 13.8% |
| Age 35 to 44 | 3.5% | 8.5% | 12.9% |
| Age 45 to 54 | 18.5% | 10.9% | 12.6% |
| Age 55 to 59 | 3.9% | 8.0% | 6.7% |
| Age 60 to 64 | 16.5% | 7.6% | 6.3% |
| Age 65 to 74 | 7.5% | 13.1% | 9.6% |
| Age 75 to 84 | 1.2% | 5.6% | 4.5% |
| Age 85 and over | 0.0% | 2.2% | 1.9% |
| space1 | | | |
| Race | | | |
| | Morgan City, MS | Alexander City, AL | United States |
| White | 6.7% | 60.2% | 59.4% |
| Black | 93.3% | 32.7% | 12.2% |
| Asian | 0.0% | 0.2% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 0.0% | 0.8% | 3.2% |
| Hispanic | 0.0% | 5.9% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Morgan City, MS | Alexander City, AL | United States |
| Married Population | 14.5% | 44.3% | 49.8% |
| Currently Married | 5.9% | 41.8% | 48.0% |
| Married but Separated | 8.6% | 2.5% | 1.8% |
| Single Population | 85.5% | 55.7% | 50.2% |
| Never Married | 67.7% | 30.6% | 33.8% |
| Divorced | 16.4% | 16.0% | 10.8% |
| Widowed | 1.4% | 9.2% | 5.6% |
| space5 | | | |
| Household Size | 2.99 | 2.49 | 2.60 |
| Households | 85 | 5,795 | 124,010,992 |
| Family Households | 44 | 3,615 | 80,755,759 |
| Married couple, w/children | 0.0% | 21.4% | 30.5% |
| Married couple, no children | 13.6% | 38.0% | 42.9% |
| Non Family Households | 41 | 2,180 | 43,255,233 |
| Single householder, w/children | 68.2% | 26.8% | 15.8% |
| Single householder, no children | 18.2% | 13.8% | 10.8% |