| Statistic | Marietta | Jacksonville | Florida |
| Population | 2,542 | 856,616 | 19,934,451 |
| Population density (sq mi) | 125 | 1,146 | 294 |
| Median age | 41.7 | 35.7 | 41.6 |
| Male/Female ratio | 1.2:1 | 0.9:1 | 1.0:1 |
| Married (15yrs & older) | n/a | 50% | 54% |
| Speak English | n/a | 86% | 72% |
| Speak Spanish | n/a | 6% | 21% |
| Race | Marietta | Jacksonville | Florida |
| Caucasian | 86.71% | 59.74% | 75.90% |
| African American | 8.63% | 30.66% | 16.14% |
| Asian | 2.39% | 4.52% | 2.61% |
| American Indian | 0.45% | 0.23% | 0.27% |
| Native Hawaiian | 0.00% | 0.12% | 0.06% |
| Mixed race | 1.20% | 3.52% | 2.48% |
| Other race | 0.62% | 1.22% | 2.54% |