Founded in 1831, Ripley County is one of 114 counties in the state of Missouri. Historically, Ripley County was formed from Wayne County. The city of Doniphan is the county seat. With FIPS code of 181, Ripley County has a population of 10,617 and area of 630 square miles (1,632 km2).
List of all cities in Ripley County, MO alphabetically
| City/Town | Postal Code | Area Code |
| Bennett, MO | 63931 | 573 |
| Briar, MO | 63931 | 573 |
| Doniphan, MO | 63935 | 573 |
| Fairdealing, MO | 63939 | 573 |
| Gatewood, MO | 63942 | 573 |
| Naylor, MO | 63953 | 573 |
| Oxly, MO | 63955 | 573 |
| Poynor, MO | 63935 | 573 |