- Saddlestring
- Sage
- Saint Stephens
- Sales Place
- Salt Wells
- Sand Creek Crossing
- Sand Draw
- Saratoga
- Savageton
- Savery
- Seely
- Seminoe Dam
- Shawnee
- Sheffield Island
- Shell
- Sheridan
- Sherman
- Shirley Basin
- Shoshoni
- Sibylee
- Silver Tip
- Sinclair
- Skull Creek
- Slater
- Sleepy Hollow
- Smoot
- Snyder Place
- South Baxter
- South Flat
- South Greeley