- Saddle Brook
- Saddle River
- Salem
- Sayreville
- Sayreville Junction
- Scotch Plains
- Sea Bright
- Sea Girt
- Sea Isle City
- Seabrook Farms
- Seaside Heights
- Seaside Park
- Secaucus
- Sewaren
- Sewell
- Shark River Hills
- Shiloh
- Shiloh
- Ship Bottom
- Short Hills
- Shrewsbury
- Shrewsbury
- Sicklerville
- Silver Ridge
- Singac
- Sixmile Run
- Skillman
- Smithville
- Society Hill
- Somerdale
- Somers Point
- Somerset
- Somerville
- South Amboy
- South Belmar
- South Bound Brook
- South Old Bridge
- South Orange
- South Plainfield
- South River
- South Toms River
- South Vineland
- Sparta
- Spotswood
- Spring Lake
- Spring Lake Heights
- Springdale
- Springfield
- Stanhope
- Stewartsville
- Stockton
- Stone Harbor
- Stratford
- Strathmere
- Strathmore
- Succasunna
- Summit
- Surf City
- Sussex
- Swedesboro
