| Name | Marion County |
| State | South Carolina |
| FIPS Code | 45067 |
| County Seat | Marion |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2024) | 28,522 |
| Population Growth Rate(2020-2024) | -2.3% |
| Majority Ethnicity | African American 57.24% |
| Public School Majority Ethnicity | African American 76% |
| Partisan Voting Index | Democratic:+8 |
| Unemployment Rate (May 2026) | 8.0% |
| Sales Tax Rate (2025) | 8% |
| Area Code(s) | 843 / 854 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 39.47% |
| African American | 57.24% |
| Hispanic | 2.67% |
| Asian | 0.16% |
| Native American | 0.35% |
| Hawaiin/Pacific Islander | 0.11% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 15.38% |
| African American | 76.3% |
| Hispanic | 4.03% |
| Asian | 0.49% |
| Native American | 0.72% |
| Hawaiin/Pacific Islander | 0% |