| Place Name | Marietta |
| Place Type | City |
| County | Cobb County |
| Area Code(s) | 470,678,770 |
| Timezone | Eastern Standard Time (EST) |
| Population (2022) | 57,451 |
| Population Growth Rate (2010-19) | 7.76% |
| Majority Ethnicity | White 49.52% |
| Metro/Micro Stats Area | Atlanta-Sandy Springs-Alpharetta, GA |
| US Congressional District(s) | Georgia 11thGeorgia 6th |
| State House Districts | 34,37,42 |
| State Senate Districts | 006,032,033,037 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 49.52% |
| African American | 31.8% |
| Hispanic | 0.36% |
| Asian | 2.07% |
| Native American | 0.01% |
| Hawaiin/Pacific Islander | 16.23% |