| Place Name | Williston |
| Place Type | Town |
| ZIP Code(s) | 29853 |
| County | Barnwell County |
| Area Code(s) | 803 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 3,129 |
| Population Growth Rate (2010-19) | -8.35% |
| Majority Ethnicity | African American 51.82% |
| US Congressional District(s) | South Carolina 2nd |
| State House Districts | 91 |
| State Senate Districts | 40 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 47.97% |
| African American | 51.82% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0.21% |