| Name | Allendale County |
| State | South Carolina |
| FIPS Code | 45005 |
| County Seat | Allendale |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2024) | 7,596 |
| Population Growth Rate(2020-2024) | -5.87% |
| Majority Ethnicity | African American 61.56% |
| Public School Majority Ethnicity | African American 92% |
| Partisan Voting Index | Strongly Democratic:+24 |
| Unemployment Rate (May 2026) | 7.6% |
| Area Code(s) | 803 / 839 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 23.27% |
| African American | 61.56% |
| Hispanic | 9.94% |
| Asian | 4.03% |
| Native American | 1.11% |
| Hawaiin/Pacific Islander | 0.1% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 3.69% |
| African American | 92.01% |
| Hispanic | 2.56% |
| Asian | 0.2% |
| Native American | 0.31% |
| Hawaiin/Pacific Islander | 0.2% |