| Place Name | Cairo |
| Place Type | Village |
| ZIP Code(s) | 45820 |
| County | Allen County |
| Area Code(s) | 419,567 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 432 |
| Population Growth Rate (2010-19) | -1.34% |
| Majority Ethnicity | White 88.61% |
| Metro/Micro Stats Area | Lima, OH |
| US Congressional District(s) | Ohio 4th |
| State House Districts | 4 |
| State Senate Districts | 12 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 88.61% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0.25% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 11.14% |