| Place Name | Marianne |
| Place Type | Census Designated Place |
| ZIP Code(s) | 16254 |
| County | Clarion County |
| Area Code(s) | 814 |
| Timezone | Eastern Standard Time (EST) |
| Population (2022) | 1,290 |
| Population Growth Rate (2010-19) | -8.91% |
| Majority Ethnicity | White 92.79% |
| US Congressional District(s) | Pennsylvania 5th |
| State House Districts | 63 |
| State Senate Districts | 21 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 92.79% |
| African American | 5% |
| Hispanic | 0% |
| Asian | 1.15% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.06% |