| Place Name | Port Sulphur |
| Place Type | Census Designated Place |
| ZIP Code(s) | 70083 |
| County | Plaquemines Parish |
| Area Code(s) | 504 |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 2,069 |
| Population Growth Rate (2010-19) | -4.72% |
| Majority Ethnicity | African American 75.41% |
| Metro/Micro Stats Area | New Orleans-Metairie, LA |
| US Congressional District(s) | Louisiana 1st |
| State House Districts | 105 |
| State Senate Districts | 8 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 18.99% |
| African American | 75.41% |
| Hispanic | 3.33% |
| Asian | 1.3% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0.97% |