| Place Name | Lake Secession |
| Place Type | Census Designated Place |
| ZIP Code(s) | 29620 29655 |
| County | Abbeville County |
| Area Code(s) | 864 |
| Timezone | Eastern Standard Time (EST) |
| Population (2022) | 1,190 |
| Population Growth Rate (2010-19) | -2.31% |
| Majority Ethnicity | White 99.37% |
| US Congressional District(s) | South Carolina 3rd |
| State House Districts | 11 |
| State Senate Districts | 10 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 99.37% |
| African American | 0% |
| Hispanic | 0.63% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |