- Slater
- Slick Rock
- Snyder
- Somerset
- Sopris
- South Platte
- Sringfield
- Stanford
- Stanley Park
- State Bridge
- Stone City
- Stoneham
- Stoner
- Stonewall
- Stonington
- Sugarloaf
- Sullivan
- Summitville
- Sunbeam
- Swallows
- Shamballah-Ashrama
- Silver Heights
- Spruce
- Sprucewood
- Surrey Ridge
- Sheephorn
- Security-Widefield
- Skinners
- Stratmoor Hills
- Sample