Founded in Jan 1, 1833, Carroll County is one of 88 counties in the state of Ohio. Historically, Carroll County was formed from Columbiana, Stark, Harrison, Jefferson, and Tuscarawas Counties. The city of Carrollton is the county seat. With FIPS code of 19, Carroll County has a population of 26,691 and area of 394.67 square miles (1,022 km2).
List of all cities in Carroll County, OH alphabetically
| City/Town | Postal Code | Area Code |
| Augusta, OH | 44607 | 330/234 |
| Carrollton, OH | 44615 | 330/234 |
| Dellroy, OH | 44620 | 330/234 |
| Harlem Springs, OH | 44631 | 330/234 |
| Kilgore, OH | 44615 | 330/234 |
| Leesville, OH | 44639 | 740 |
| Malvern, OH | 44644 | 330/234 |
| Mechanicstown, OH | 44651 | 330/234 |
| New Harrisburg, OH | 44615 | 330/234 |
| Oneida, OH | 44644 | 330/234 |
| Scroggsfield, OH | 44615 | 330/234 |
| Sherrodsville, OH | 44675 | 740 |