| Place Name | Marion Township (Hardin County) |
| Place Type | Township |
| ZIP Code(s) | 43326 45810 45812 45850 45859 |
| County | Hardin County |
| Area Code(s) | 419,567 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2021) | 2,169 |
| Majority Ethnicity | White 99.11% |
| US Congressional District(s) | Ohio 5th |
| State House Districts | 83 |
| State Senate Districts | 1 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 99.11% |
| African American | 0.14% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0.75% |