| Place Name | Petersburg |
| Place Type | Town |
| ZIP Code(s) | 37144 |
| County | Lincoln County |
| Area Code(s) | 931 |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 602 |
| Population Growth Rate (2010-19) | -2.94% |
| Majority Ethnicity | White 96.09% |
| US Congressional District(s) | Tennessee 4th |
| State House Districts | 62 |
| State Senate Districts | 14 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 96.09% |
| African American | 2.79% |
| Hispanic | 0% |
| Asian | 1.12% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |