Founded in Mar 1, 1848, Morrow County is one of 88 counties in the state of Ohio. Historically, Morrow County was formed from Knox, Marion, Delaware, and Richland Counties. The city of Mount Gilead is the county seat. With FIPS code of 117, Morrow County has a population of 35,151 and area of 406.22 square miles (1,052 km2).
List of all cities in Morrow County, OH alphabetically
| City/Town | Postal Code | Area Code |
| Cardington, OH | 43315 | 419/567 |
| Chesterville, OH | 43317 | 419/567 |
| Edison, OH | 43320 | 419/567 |
| Fulton, OH | 43321 | 419/567 |
| Iberia, OH | 43325 | 419/567 |
| Marengo, OH | 43334 | 419/567 |
| Mount Gilead, OH | 43338 | 419/567 |
| Shauck, OH | 43349 | 419/567 |
| Sparta, OH | 43350 | 419/567 |