| Place Name | Harrison Township (Clay County) |
| Place Type | Township |
| ZIP Code(s) | 47427 47438 47841 47858 |
| County | Clay County |
| Area Code(s) | 812,930 |
| Timezone | Eastern Standard Time (EST) |
| Population (2021) | 2,729 |
| Majority Ethnicity | White 98.6% |
| Metro/Micro Stats Area | Terre Haute, IN |
| US Congressional District(s) | Indiana 8th |
| State House Districts | 46 |
| State Senate Districts | 39 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 98.6% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0.22% |
| Hawaiin/Pacific Islander | 1.18% |