| Place Name | Waterloo |
| Place Type | Unincorporated |
| ZIP Code(s) | 45766 |
| County | Athens County |
| Area Code(s) | 220,740 |
| Timezone | Eastern Standard Time (EST) |
| Population () | |
| Metro/Micro Stats Area | Athens, OH |
| US Congressional District(s) | Ohio 12th |
| State House Districts | 94 |
| State Senate Districts | 30 |