- Sikes
- Sunset City
- Satank
- Smith Hill
- Shelter Island
- Sapinero
- Sillsville
- Smith Place
- Saint Marys
- San Luis
- Sanford
- Sedalia
- Sedgwick
- Sheridan
- Silverton
- Springfield
- Sterling
- Strasburg
- Stratton
- Superior
- Stratton
- Salida
- Severance
- South Fork
- Starkville
- Sugar City
- Swink
- Strong
- Stelbars Lindland
- Shaffers Crossing