| Place Name | St. Joseph |
| Place Type | Town |
| ZIP Code(s) | 71366 |
| County | Tensas Parish |
| Area Code(s) | 318 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 1,066 |
| Population Growth Rate (2010-19) | -29.34% |
| Majority Ethnicity | African American 72.97% |
| US Congressional District(s) | Louisiana 5th |
| State House Districts | 21 |
| State Senate Districts | 34 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 26.72% |
| African American | 72.97% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0.31% |