- Salt River
- Shaver Ford
- Sheil
- Spalding
- Sacville
- Sequiota
- Shott
- Saint Cloud
- Sandals
- Swanwick
- Smithboro
- Shawnee Mound
- Sparrow
- Sinsabaugh
- Steeles
- Saint Albans Island
- Schluersburg
- Seebarger
- Seeburger
- Slim Island
- Stonemoor
- Sweden Island
- Settletown
- Silver Springs
- Syenite
- Saline City
- Salt Springs
- Sebree
- Shackleford
- Sharon