- Stanley
- Stockbridge
- Stockholm
- Stratford
- Sullivan
- Slabtown
- Spacious Acres
- Sylvan Mounds
- Sprague
- Salem Oaks
- Shady Nook Mobile Home Park
- Shorecrest Pointe
- Slades Corners
- South Kenosha
- State Line
- Slovan
- Stangelville
- Shelby
- Slateford
- Strawbridge
- Sherry Junction
- Spirit Falls
- School Hill
- Shoto
- Spring Valley
- Steinthal
- Schnappsville
- Shantytown
- Snell
- Sunset