Founded in 1818, Cooper County is one of 114 counties in the state of Missouri. Historically, Cooper County was formed from Howard County. The city of Boonville is the county seat. With FIPS code of 53, Cooper County has a population of 17,115 and area of 565 square miles (1,463 km2).
List of all cities in Cooper County, MO alphabetically
| City/Town | Postal Code | Area Code |
| Billingsville, MO | 65233 | 660 |
| Blackwater, MO | 65322 | 660 |
| Boonville, MO | 65233 | 660 |
| Bunceton, MO | 65237 | 660 |
| Clarks Fork, MO | 65233 | 660 |
| Cotton, MO | 65237 | 660 |
| Gooch Mill, MO | 65233 | 660 |
| Gouch Mill, MO | 65068 | 660 |
| Lamine, MO | 65233 | 660 |
| Lone Elm, MO | 65237 | 660 |
| Otterville, MO | 65348 | 660 |
| Overton, MO | 65233 | 660 |
| Pilot Grove, MO | 65276 | 660 |
| Pisgah, MO | 65237 | 660 |
| Prairie Home, MO | 65068 | 660 |
| Speed, MO | 65233 | 660 |
| Wooldridge, MO | 65287 | 660 |