Founded in Jan 29, 1813, Monroe County is one of 88 counties in the state of Ohio. Historically, Monroe County was formed from Belmont, Washington, and Guernsey Counties. The city of Woodsfield is the county seat. With FIPS code of 111, Monroe County has a population of 13,329 and area of 455.54 square miles (1,180 km2).
List of all cities in Monroe County, OH alphabetically
| City/Town | Postal Code | Area Code |
| Antioch, OH | 43793 | 740 |
| Beallsville, OH | 43716 | 740 |
| Cameron, OH | 43914 | 740 |
| Clarington, OH | 43915 | 740 |
| Hannibal, OH | 43931 | 740 |
| Jerusalem, OH | 43747 | 740 |
| Laings, OH | 43752 | 740 |
| Lewisville, OH | 43754 | 740 |
| Malaga, OH | 43757 | 740 |
| Sardis, OH | 43946 | 740 |
| Stafford, OH | 43786 | 740 |
| Sycamore Valley, OH | 43789 | 740 |
| Woodsfield, OH | 43793 | 740 |