| Place Name | Waldo |
| Place Type | Village |
| ZIP Code(s) | 43356 |
| County | Marion County |
| Area Code(s) | 220,740 |
| Timezone | Eastern Standard Time (EST) |
| Population (2022) | 459 |
| Population Growth Rate (2010-19) | -3.55% |
| Majority Ethnicity | White 98.95% |
| Metro/Micro Stats Area | Marion, OH |
| US Congressional District(s) | Ohio 12th |
| State House Districts | 86 |
| State Senate Districts | 26 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 98.95% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 1.05% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |