| Place Name | Clay Township (Highland County) |
| Place Type | Township |
| ZIP Code(s) | 45133 45142 45154 45171 |
| County | Highland County |
| Area Code(s) | 326,937 |
| Timezone | Eastern Standard Time (EST) |
| Population (2021) | 1,461 |
| Majority Ethnicity | White 99.66% |
| US Congressional District(s) | Ohio 2nd |
| State House Districts | 91 |
| State Senate Districts | 17 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 99.66% |
| African American | 0% |
| Hispanic | 0.34% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |