| Place Name | Mad River Township (Clark County) |
| Place Type | Township |
| County | Clark County |
| Area Code(s) | 326,937 |
| Timezone | Eastern Standard Time (EST) |
| Population (2021) | 10,979 |
| Majority Ethnicity | White 96.49% |
| Metro/Micro Stats Area | Springfield, OH |
| US Congressional District(s) | Ohio 8th |
| State House Districts | 79 |
| State Senate Districts | 10 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 96.49% |
| African American | 1.06% |
| Hispanic | 0.11% |
| Asian | 0.51% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.82% |