| Place Name | Marienville |
| Place Type | Census Designated Place |
| ZIP Code(s) | 16239 |
| County | Forest County |
| Area Code(s) | 814 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 1,977 |
| Population Growth Rate (2010-19) | 7.17% |
| Majority Ethnicity | White 52.86% |
| US Congressional District(s) | Pennsylvania 5th |
| State House Districts | 63 |
| State Senate Districts | 21 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 52.86% |
| African American | 36.58% |
| Hispanic | 0% |
| Asian | 3.09% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 7.47% |