- Sites Mobile Home Park
- Sitka
- Skellyville
- Skiddy
- Skidmore
- Sleepy Hollow Mobile Home Park
- Sleepy Hollow Mobile Home Park
- Smileyville
- Smith Center
- Smithfield
- Smokey Valley Mobile Home Park
- Smolan
- Soldier
- Solomon
- Solomon Rapids
- Somerset
- South Basehor
- South Dodge
- South Galena
- South Haven
- South Hoisington
- South Hutchinson
- South Mound
- South Radley
- South Seneca Gardens
- South Side Mobile Court
- South Village Mobile Home Park
- Southborough Estates Mobile Home Park
- Southgate Mobile Home Park
- Southlawn Trailer Court