Founded in 1829, Randolph County is one of 114 counties in the state of Missouri. Historically, Randolph County was formed from Chariton and Ralls counties. The city of Huntsville is the county seat. With FIPS code of 175, Randolph County has a population of 24,760 and area of 482 square miles (1,248 km2).
List of all cities in Randolph County, MO alphabetically
| City/Town | Postal Code | Area Code |
| Cairo, MO | 65239 | 660 |
| Clark, MO | 65243 | 573 |
| Clifton Hill, MO | 65244 | 660 |
| Darksville, MO | 65259 | 660 |
| Higbee, MO | 65257 | 660 |
| Huntsville, MO | 65259 | 660 |
| Jacksonville, MO | 65260 | 660 |
| Moberly, MO | 65270 | 660 |
| Renick, MO | 65278 | 660 |
| Rucker, MO | 65243 | 573 |
| Thomas Hill, MO | 65244 | 660 |
| Urbandale, MO | 65270 | 660 |
| Yates, MO | 65257 | 660 |