Towns
| State | City/Town | Town Title |
|---|---|---|
| Missouri | School | School, MO |
| Missouri | Scott City | Scott City, MO |
| Missouri | Sedalia | Sedalia, MO |
| Missouri | Sedgewickville | Sedgewickville, MO |
| Missouri | Seligman | Seligman, MO |
| Missouri | Senath | Senath, MO |
| Missouri | Seneca | Seneca, MO |
| Missouri | Service | Service, MO |
| Missouri | Seymour | Seymour, MO |
| Missouri | Shelbina | Shelbina, MO |
| Missouri | Shelbyville | Shelbyville, MO |
| Missouri | Sheldon | Sheldon, MO |
| Missouri | Shell Knob | Shell Knob, MO |
| Missouri | Sheridan | Sheridan, MO |
| Missouri | Shook | Shook, MO |
| Missouri | Sibley | Sibley, MO |
| Missouri | Sikeston | Sikeston, MO |
| Missouri | Silex | Silex, MO |
| Missouri | Silva | Silva, MO |
| Missouri | Skidmore | Skidmore, MO |
| Missouri | Slater | Slater, MO |
| Missouri | Smithton | Smithton, MO |
| Missouri | Smithville | Smithville, MO |
| Missouri | Solo | Solo, MO |
| Missouri | South Greenfield | South Greenfield, MO |