Founded in Dec 21, 1815, Lawrence County is one of 88 counties in the state of Ohio. Historically, Lawrence County was formed from Gallia and Scioto Counties. The city of Ironton is the county seat. With FIPS code of 87, Lawrence County has a population of 57,445 and area of 454.96 square miles (1,178 km2).
List of all cities in Lawrence County, OH alphabetically
| City/Town | Postal Code | Area Code |
| Chesapeake, OH | 45619 | 740 |
| Coal Grove, OH | 45638 | 740 |
| Hanging Rock, OH | 45638 | 740 |
| Ironton, OH | 45638 | 740 |
| Kitts Hill, OH | 45645 | 740 |
| Pedro, OH | 45659 | 740 |
| Proctorville, OH | 45669 | 740 |
| Rock Camp, OH | 45675 | 740 |
| Scottown, OH | 45678 | 740 |
| South Point, OH | 45680 | 740 |
| Waterloo, OH | 45688 | 740 |
| Willow Wood, OH | 45696 | 740 |