Founded in Apr 1, 1820, Henry County is one of 88 counties in the state of Ohio. Historically, Henry County was formed from Shelby County. The city of Napoleon is the county seat. With FIPS code of 69, Henry County has a population of 27,538 and area of 416.50 square miles (1,079 km2).
List of all cities in Henry County, OH alphabetically
| City/Town | Postal Code | Area Code |
| Colton, OH | 43510 | 419/567 |
| Deshler, OH | 43516 | 419/567 |
| Florida, OH | 43545 | 419/567 |
| Grelton, OH | 43523 | 419/567 |
| 43534 | 419/567 | |
| Hamler, OH | 43524 | 419/567 |
| Holgate, OH | 43527 | 419/567 |
| Liberty Center, OH | 43532 | 419/567 |
| Malinta, OH | 43535 | 419/567 |
| McClure, OH | 43523 | 419/567 |
| 43534 | 419/567 | |
| Napoleon, OH | 43545 | 419/567 |
| 43550 | 419/567 | |
| New Bavaria, OH | 43548 | 419/567 |
| Okolona, OH | 43545 | 419/567 |
| 43550 | 419/567 | |
| Ridgeville Corners, OH | 43555 | 419/567 |