Barrios de Wisconsin S
- Sak's Woods
- Schmitt Park
- Sheboygan Falls/Kohler
- Sherman
- Sherman Park
- Sherman Terrace
- Shorecrest
- Shorewood/Whitefish Bay
- Silver Spring
- Silverswan
- Smith's Crossing
- South Appleton
- South Lake
- South Madison
- South Pier
- Southpoint
- Springs
- St Aemilian's
- St Croix Far Eastern Suburbs
- St Joseph's
- St Peter's
- Starlite
- Stocker
- Story Hill
- Sturtevant
- Sturtevant Village
- Suburban Fond du Lac
- Sunset Heights
- Sunset Hills
- Sunset Village
- Swan Creek
- Swift