- Spuyten Duyvil
- Sanitaria Springs
- South Vestal
- South Windsor
- Summit Hill
- Sunrise Terrace
- South Olean
- Seneca Heights
- Shongo
- Skunks Corner
- Snyders Corners
- South Carrollton
- South Vandalia
- Sugartown
- Sagetown
- Seeley Creek
- Sullivanville
- Swartwood
- Sawyers Corner
- Scipioville
- Sempronius
- Sennett
- Shady Brook Mobile Home Park
- Sherlock Corners
- Sherwood
- Shumaker Crossing
- Southeast Owasco
- Southern Springs Mobile Home Park
- Spring Lake
- Sterling