| Place Name | Barnesville |
| Place Type | City |
| ZIP Code(s) | 30204 |
| County | Lamar County |
| Area Code(s) | 470,678,770 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 6,684 |
| Population Growth Rate (2010-19) | -6.85% |
| Majority Ethnicity | White 49.92% |
| Metro/Micro Stats Area | Atlanta-Sandy Springs-Alpharetta, GA |
| US Congressional District(s) | Georgia 3rd |
| State House Districts | 131 |
| State Senate Districts | 016 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 49.92% |
| African American | 48% |
| Hispanic | 0% |
| Asian | 0.78% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.3% |