| Place Name | South Vacherie |
| Place Type | Census Designated Place |
| ZIP Code(s) | 70049 70090 |
| County | Saint James Parish |
| Area Code(s) | 225 |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 3,624 |
| Population Growth Rate (2010-19) | -6.97% |
| Majority Ethnicity | White 70.4% |
| Metro/Micro Stats Area | New Orleans-Metairie, LA |
| US Congressional District(s) | Louisiana 2nd |
| State House Districts | 58 |
| State Senate Districts | 2 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 70.4% |
| African American | 29.16% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0.44% |