- Smittys Mobile Home Plaza
- Smyrna
- Snyder
- Somerset
- South Bayard
- South Bend
- South Broad Trailer Court
- South Mitchell
- South Morrill
- South Omaha
- South Side Mobile Home Court
- South Side Mobile Home Park
- South Sioux City
- South Yankton
- Southside Trailer Park
- Spalding
- Sparks
- Sparta
- Spelts
- Spencer
- Sprague
- Springfield
- Springview
- Spurior Place
- Spurville
- Stafford
- Stahlas North Court
- Stahr Trailer Court
- Stamford
- Stanton