Cairo is located in Allen County. About 517 people live here (as of 2020). Between 2010 and 2020, the population declined from 524 to 517. The region is at 248 meters above sea level. The area covers about 0.7 square kilometers. There are about 43 streets in Cairo. The postal codes are 45820. Cairo is town in Ohio, United States.
| Area | 0.7 km² |
| Elevation | 248 m |
| Located in | Allen County |
| Postal code | 45820 |
| Country | United States |
| Population | 517 |
| Official name | Cairo |
| Bike path |
| Bike lane on roadway |
| Cycling allowed on bus lane |
| Bicycle street |
| Open to cyclists |
| Open to cyclists, good path |
| Cycling prohibited |
| Cobblestone |
| Long-distance bike route | (depending on scale) |
| Long-distance bike route |
| Long-distance hiking trail | (depending on scale) |
| Long-distance hiking trail |
| Pedestrians prohibited |
Public transit map Cairo Legend 
Bicycle map Cairo Legend 
Pedestrian map Cairo Legend