| Place Name | Pierre Part |
| Place Type | Census Designated Place |
| ZIP Code(s) | 70339 |
| County | Assumption Parish |
| Area Code(s) | 985 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 3,376 |
| Population Growth Rate (2010-19) | -4.58% |
| Majority Ethnicity | White 99.6% |
| Metro/Micro Stats Area | Baton Rouge, LA |
| US Congressional District(s) | Louisiana 6th |
| State House Districts | 60 |
| State Senate Districts | 17 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 99.6% |
| African American | 0.4% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |