Founded in 1861, Worth County is one of 114 counties in the state of Missouri. Historically, Worth County was formed from Gentry County. The city of Grant City is the county seat. With FIPS code of 227, Worth County has a population of 1,983 and area of 266 square miles (689 km2).
List of all cities in Worth County, MO alphabetically
| City/Town | Postal Code | Area Code |
| Allendale, MO | 64420 | 660 |
| Denver, MO | 64441 | 660 |
| Grant City, MO | 64456 | 660 |
| Sheridan, MO | 64486 | 660 |
| Worth, MO | 64499 | 660 |