| Place Name | Marksville |
| Place Type | City |
| ZIP Code(s) | 71351 |
| GEOID | 2248750 |
| County | Avoyelles Parish |
| Area Code(s) | 318 |
| Timezone | Central Daylight Time (CDT) |
| Population (2021) | 5,118 |
| Population Growth Rate (2010-19) | -11.17% |
| Majority Ethnicity | White 54.48% |
| US Congressional District(s) | Louisiana 5th |
| State House Districts | 28 |
| State Senate Districts | 28 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 54.48% |
| African American | 39.23% |
| Hispanic | 1.62% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 4.66% |