| Place Name | Plymouth Township (Richland County) |
| Place Type | Township |
| ZIP Code(s) | 44865 44875 |
| County | Richland County |
| Area Code(s) | 419,567 |
| Timezone | Eastern Standard Time (EST) |
| Population (2021) | 1,828 |
| Majority Ethnicity | White 96.67% |
| Metro/Micro Stats Area | Mansfield, OH |
| US Congressional District(s) | Ohio 7th |
| State House Districts | 2 |
| State Senate Districts | 22 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 96.67% |
| African American | 0.28% |
| Hispanic | 1.66% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.39% |