| Name | Fairfield County |
| State | South Carolina |
| FIPS Code | 45039 |
| County Seat | Winnsboro |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2024) | 20,392 |
| Population Growth Rate(2020-2024) | -2.69% |
| Majority Ethnicity | African American 57.23% |
| Public School Majority Ethnicity | African American 80% |
| Partisan Voting Index | Democratic:+9 |
| Unemployment Rate (May 2026) | 6.4% |
| Sales Tax Rate (2025) | 7% |
| Area Code(s) | 803 / 839 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 39.95% |
| African American | 57.23% |
| Hispanic | 2.42% |
| Asian | 0.38% |
| Native American | 0.01% |
| Hawaiin/Pacific Islander | 0% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 14.56% |
| African American | 79.85% |
| Hispanic | 2.78% |
| Asian | 0.64% |
| Native American | 0.16% |
| Hawaiin/Pacific Islander | 0% |