- Summit
- Sumner
- Swansea
- Sycamore
- Saint Augustine
- Saint David
- Saint Francisville
- Saint Peter
- Sainte Marie
- Savoy
- Scottville
- Seaton
- Shipman
- Sims
- Sleepy Hollow
- Smithton
- Spring Bay
- Spring Grove
- Standard
- Staunton
- Strawn
- Sublette
- Sabina
- Sacramento
- Saddle Brook Run
- Saddle Creek
- Sag Bridge
- Saidora
- Saint Anne Woods
- Saint George