- South Condit
- South Excello
- South Mount Vernon
- Sabina
- Sabina Manor Estates
- Safety Island
- Sagamore Hills
- Sailors Landing
- Saint Bernard
- Saint Charles
- Saint Clairsville
- Saint Henry
- Saint Ives
- Saint Jacobs
- Saint James
- Saint Joe
- Saint Johns
- Saint Johns
- Saint Joseph
- Saint Joseph
- Saint Lawrence Corners
- Saint Louisville
- Saint Martin
- Saint Marys
- Saint Paris
- Saint Patrick
- Saint Paul
- Saint Peter
- Saint Peter
- Saint Rosa