| Place Name | Oliver Township |
| Place Type | Township |
| ZIP Code(s) | 45660 45679 45693 45697 |
| County | Adams County |
| Area Code(s) | 326,937 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2021) | 1,398 |
| Majority Ethnicity | White 89.98% |
| US Congressional District(s) | Ohio 2nd |
| State House Districts | 90 |
| State Senate Districts | 14 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 89.98% |
| African American | 1.54% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 8.48% |