S
- Saddle Brook
- Saddle River
- Salem
- Sand Brook
- Sand Hills
- Sandts Eddy
- Saxton Falls
- Sayreville
- Sayreville Junction
- Schellenger Landing
- Schooleys Mountain
- Scobeyville
- Scotch Bonnet
- Scotch Plains
- Scudders Falls
- Scullville
- Sea Breeze
- Sea Bright
- Seabrook Farms
- Sea Girt
- Sea Isle City
- Seaside Heights
- Seaside Park
- Seaville
- Secaucus
- Sergeantsville
- Sewaren
- Sewell
- Shacks Corner
- Shark River Hills
- Sharptown
- Shaws Mill
- Shernerville
- Shiloh
- Shiloh
- Ship Bottom
- Shirley
- Shongum
- Shore Road Estates
- Shrewsbury
- Sicklerville
- Siloam
- Silver Ridge
- Silverton
- Sim Place
- Singac
- Sinnickson Landing
- Sixmile Run
- Six Points
- Skillman
- Skyline Lake
- Slack Woods
- Smalleytown
- Smithburg
- Smith Mills
- Smithtown
- Smithville
- Smoke Rise
- Snydertown
- Society Hill
- Somerdale
- Somerset
- Somers Point
- Somerville
- Sooy Place
- South Amboy
- Southard
- South Belmar
- South Bound Brook
- South Branch
- South Dennis
- South Egg Harbor
- South Hackensack
- South Ogdensburg
- South Old Bridge
- South Orange
- South Park
- South Plainfield
- South River
- South Seaville
- South Toms River
- Southtown
- South Vineland
- Sparta
- Sparta Lake
- Spotswood
- Spray Beach
- Springdale
- Springdale
- Springfield
- Spring Lake
- Spring Lake Heights
- Spring Mills
- Springside
- Springtown
- Spring Valley
- Spring Valley
- Squankum
- Stafford Forge
- Stanhope
- Stanton
- Star Cross
- Steelman Landing
- Steelmanville
- Steelmentown
- Stephensburg
- Sterling Forest
- Stevens
- Stewartsville
- Still Valley
- Stillwater
- Stirling
- Stockholm
- Stockington
- Stockton
- Stone Harbor
- Stone Tavern
- Stonetown
- Stoutsburg
- Stow Creek Landing
- Stratford
- Strathmere
- Strathmore
- Succasunna
- Summit
- Sunnyside
- Sunrise Beach
- Surf City
- Sussex
- Swainton
- Swartswood
- Swayzes Mills
- Swedesboro
- Sweetman
- Sweetwater
- Swinesburg
- Sykesville