| Place Name | Mad River Township (Champaign County) |
| Place Type | Township |
| ZIP Code(s) | 43072 43078 45502 |
| County | Champaign County |
| Area Code(s) | 326,937 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2021) | 2,746 |
| Majority Ethnicity | White 96.08% |
| Metro/Micro Stats Area | Urbana, OH |
| US Congressional District(s) | Ohio 4th |
| State House Districts | 85 |
| State Senate Districts | 12 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 96.08% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 3.92% |