| Place Name | Marseilles Township |
| Place Type | Township |
| ZIP Code(s) | 43323 43332 43351 45843 |
| County | Wyandot County |
| Area Code(s) | 220,740,419,567 |
| Timezone | Eastern Standard Time (EST) |
| Population (2021) | 395 |
| Majority Ethnicity | White 99.46% |
| US Congressional District(s) | Ohio 5th |
| State House Districts | 87 |
| State Senate Districts | 26 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 99.46% |
| African American | 0% |
| Hispanic | 0.54% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |