| Place Name | Monongahela Township |
| Place Type | Township |
| County | Greene County |
| Area Code(s) | 724,878 |
| Timezone | Eastern Standard Time (EST) |
| Population (2021) | 1,600 |
| Majority Ethnicity | White 97.61% |
| US Congressional District(s) | Pennsylvania 9th |
| State House Districts | 50 |
| State Senate Districts | 46 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 97.61% |
| African American | 0.44% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.95% |