| Place Name | Waterloo Township |
| Place Type | Township |
| ZIP Code(s) | 45654 45701 45764 45766 |
| County | Athens County |
| Area Code(s) | 220,740 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2021) | 1,953 |
| Majority Ethnicity | White 97.52% |
| Metro/Micro Stats Area | Athens, OH |
| US Congressional District(s) | Ohio 15th |
| State House Districts | 94 |
| State Senate Districts | 30 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 97.52% |
| African American | 0.2% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 2.28% |