Founded in Feb 14, 1848, Auglaize County is one of 88 counties in the state of Ohio. Historically, Auglaize County was formed from Allen, Mercer, Darke, Hardin, Logan, Shelby, and Van Wert Counties. The city of Wapakoneta is the county seat. With FIPS code of 11, Auglaize County has a population of 46,141 and area of 401.25 square miles (1,039 km2).
List of all cities in Auglaize County, OH alphabetically
| City/Town | Postal Code | Area Code |
| Buckland, OH | 45819 | 419/567 |
| Cridersville, OH | 45806 | 419/567 |
| Lima, OH | 45806 | 419/567 |
| 45819 | 419/567 | |
| Minster, OH | 45865 | 419/567 |
| New Bremen, OH | 45869 | 419/567 |
| New Hampshire, OH | 45870 | 419/567 |
| New Knoxville, OH | 45871 | 419/567 |
| Saint Johns, OH | 45884 | 419/567 |
| Saint Marys, OH | 45885 | 419/567 |
| Uniopolis, OH | 45888 | 419/567 |
| Wapak, OH | 45895 | 419/567 |
| Wapakoneta, OH | 45819 | 419/567 |
| 45895 | 419/567 | |
| Waynesfield, OH | 45896 | 419/567 |