| PEOPLE | Hattiesburg | Baltimore | United States |
| Population | 45,989 | 620,961 | 308,035,306 |
| Pop. Density | 861 | 7,672 | 87 |
| Pop. Change | 0.59% | -3.80% | 8.07% |
| Median Age | 28 | 34.5 | 37.3 |
| Households | 18,501 | 249,903 | 116,716,292 |
| Household Size | 2.33 | 2.38 | 2.58 |
| Male Population | 47.37% | 47.06% | 49.27% |
| Female Population | 52.63% | 52.94% | 50.96% |
| Married Population | 28.35% | 23.56% | 47.02% |
| Single Population | 71.65% | 76.44% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 7.36% | 6.63% | 6.56% |
| Age 5 to 9 | 5.41% | 5.71% | 6.61% |
| Age 10 to 14 | 5.13% | 5.53% | 6.71% |
| Age 15 to 17 | 3.18% | 3.64% | 4.21% |
| Age 18 to 20 | 5.34% | 3.49% | 2.95% |
| Age 21 to 24 | 16.95% | 9.09% | 7.01% |
| Age 25 to 34 | 17.63% | 16.68% | 13.33% |
| Age 35 to 44 | 9.95% | 12.33% | 13.33% |
| Age 45 to 49 | 10.04% | 14.08% | 14.61% |
| Age 50 to 54 | 10.04% | 14.08% | 14.61% |
| Age 55 to 59 | 8.24% | 11.10% | 11.84% |
| Age 60 to 64 | 8.24% | 11.10% | 11.84% |
| Age 65 to 74 | 5.13% | 6.21% | 7.05% |
| Age 75 to 84 | 3.77% | 3.85% | 4.24% |
| Age 85 and over | 1.86% | 1.67% | 1.78% |
| RACE | | | |
| White | 41.89% | 29.60% | 72.41% |
| Black | 53.04% | 63.74% | 12.61% |
| Asian | 0.95% | 2.34% | 4.75% |
| American Indian | 0.24% | 0.37% | 0.95% |
| Other | 3.88% | 3.95% | 9.28% |
| Hispanic | 0.67% | 0.00% | 16.35% |
| Non-Hispanic | 99.33% | 100.00% | 83.65% |
| FAMILY | | | |
| Married, w/children | 18.09% | 15.64% | 30.42% |
| Married, no children | 31.49% | 29.34% | 42.46% |
| Single, w/children | 28.49% | 26.03% | 14.39% |
| Single, no children | 21.94% | 28.99% | 12.73% |
| Divorced | 11.78% | 11.39% | 10.62% |
| Separated | 7.43% | 7.74% | 4.97% |
| Widowed | 6.85% | 7.74% | 6.14% |
| Now Married | 28.14% | 23.79% | 46.32% |
| Never Married | 45.79% | 49.34% | 31.95% |
