- Stonehedge Glen
- Stony Island
- Summerhill
- Sunny Acres
- Sunridge
- Sunset Court
- Sunset Fields
- Sunset View Estates
- Sutton
- Sutton Point
- Sycamore Lane
- Sylvan Woods
- Shabbona Grove
- Solomon
- Schick
- South Addison
- South Elmhurst
- Swift
- Scottland
- Scotts
- Samsville
- Saint Paul
- Sefton
- Shafter
- Stelle
- Saint Charles
- Saint Johns
- Saint Joseph
- Salem
- San Jose