- Shawne
- Sigsbee
- Sandy Island
- Schwanigan Island
- South Troy
- Stag Island
- Stepanek Crossing
- Sterling Island
- Sterling Landing
- Stillhouse Ford
- Saint Ann
- Saint Charles
- Saint Catharine
- Sedgwick
- Shafter
- Shelby
- Saint Elizabeth
- Saint Martins
- Saint Mary
- Saint Peters
- Saint Robert
- Schmidts Island
- Sprott
- Sappington
- Sarcoxie
- Schell City
- Scotsdale
- Sedgewickville
- Senath
- Sandy Hook