- Sabetha
- Sabillasville
- Sachse
- Saco
- Sacramento
- Saddle Brook
- Saddle River
- Safety Harbor
- Sag Harbor
- Saginaw
- Sahuarita
- Saint Albans
- Saint Albans City
- Saint Ann
- Saint Anthony
- Saint Catharines
- Saint Charles
- Saint Clair
- Saint Clair Shores
- Saint Clairsville
- Saint Cloud
- Saint Davids
- Saint Francis
- Saint George
- Saint Georges
- Saint Helena
- Saint Ignatius
- Saint Inigoes
- Saint James
- Saint James City
- Saint John
- Saint Johns
- Saint Joseph
- Saint Leonard
- Saint Louis Park
- Saint Marys
- Saint Marys City
- Saint Matthews
- Saint Michael
- Saint Michaels
- Saint Paul
- Saint Pete Beach
- Saint Peter
- Saint Peters
- Saint Petersburg
- Saint Rose
- Saint Simons Island
- Saint Thomas
- Saint-Bruno-de-Montarville
- Saint-Damien-de-Buckland
- Saint-Georges
- Saint-Jérôme
- Salem
- Salida
- Salina
- Salinas
- Saline
- Salisbury
- Salt Lake City
- Saltsburg
- Salunga-Landisville
- Samson
- San Andreas
- San Angelo
- San Anselmo
- San Antonio
- San Augustine
- San Bernardino
- San Bruno
- San Carlos
- San Clemente
- San Diego
- San Dimas
- San Fernando
- San Francisco
- San Gabriel
- San Jacinto
- San Jose
- San Juan
- San Juan Capistrano
- San Leandro
- San Lorenzo
- San Luis Obispo
- San Marcos
- San Marino
- San Martin
- San Mateo
- San Rafael
- San Ramon
- Sand Springs
- Sandia Park
- Sandpoint
- Sands Point
- Sandston
- Sandstone
- Sandusky
- Sandwich
- Sandy
- Sandy Springs
- Sanford
- Sanibel
- Santa Ana
- Santa Barbara
- Santa Clara
- Santa Clarita
- Santa Cruz
- Santa Fe
- Santa Fe Springs
- Santa Maria
- Santa Monica
- Santa Rosa
- Santa Rosa Beach
- Saraland
- Saranac
- Sarasota
- Saratoga
- Saratoga Springs
- Sartell
- Sarver
- Saskatoon
- Satellite Beach
- Saugerties
- Saugus
- Sauk Rapids
- Sausalito
- Savage
- Savannah
- Savoy
- Saxonburg
- Saxton
- Saylorsburg
- Sayre
- Sayreville
- Sayville
- Scarborough
- Scarsdale
- Schaefferstown
- Schaumburg
- Schenectady
- Schererville
- Schertz
- Schiller Park
- Schnecksville
- Schuylkill Haven
- Schwenksville
- Scituate
- Scotch Plains
- Scotland
- Scott Depot
- Scottdale
- Scotts Valley
- Scottsbluff
- Scottsboro
- Scottsdale
- Scottsville
- Scranton
- Sea Bright
- Sea Cliff
- Sea Girt
- Sea Isle City
- Seabrook
- Seadrift
- Seaford
- Seal Beach
- Sealston
- Sealy
- Searcy
- Seat Pleasant
- SeaTac
- Seattle
- Sebastian
- Sebring
- Secaucus
- Secretary
- Sedalia
- Sedona
- Seekonk
- Seguin
- Selbyville
- Selinsgrove
- Sellersburg
- Sellersville
- Selma
- Seminole
- Seneca
- Seneca Falls
- Sergeant Bluff
- Setauket- East Setauket
- Seven Corners
- Seven Fields
- Seven Hills
- Seven Valleys
- Severn
- Severna Park
- Sevierville
- Sewickley
- Seymour
- Shade Gap
- Shady Grove
- Shady Side
- Shadyside
- Shafter
- Shaker Heights
- Shakopee
- Shalimar
- Shallotte
- Shamokin
- Shamong
- Sharon
- Sharon Hill
- Sharonville
- Sharpsburg
- Sharpsville
- Sharptown
- Shavano Park
- Shawano
- Shawnee
- Sheboygan
- Sheffield
- Shelburne
- Shelby
- Shelby charter Township
- Shelbyville
- Shelton
- Shenandoah
- Shenandoah Junction
- Shepherdstown
- Shepherdsville
- Sheridan
- Sherman
- Shermans Dale
- Sherwood
- Sherwood Forest
- Shickshinny
- Shillington
- Shiloh
- Shippensburg
- Shippenville
- Shiremanstown
- Shirley
- Shoemakersville
- Shoreline
- Shoreview
- Shorewood
- Showell
- Shreveport
- Shrewsbury
- Shrub Oak
- Sicklerville
- Sidman
- Sidney
- Sierra Vista
- Siesta Key
- Signal Hill
- Signal Mountain
- Siloam Springs
- Silver Spring
- Silverdale
- Silverton
- Simi Valley
- Simpsonville
- Simsbury
- Sinclairville
- Singapore
- Sinking Spring
- Sioux Center
- Sioux City
- Sioux Falls
- Six Mile Run
- Skaneateles
- Skippack
- Skokie
- Skull Valley
- Skyline View
- Slab Fork
- Slatington
- Slaughter
- Slidell
- Smackover
- Smith Island
- Smithfield
- Smithsburg
- Smithton
- Smithtown
- Smock
- Smyrna
- Snellville
- Snohomish
- Snoqualmie
- Snow Hill
- Social Circle
- Soda Springs
- Sodus
- Solana Beach
- Solebury
- Solomons
- Solon
- Solvang
- Somerdale
- Somers
- Somers Point
- Somerset
- Somerville
- Sonoita
- Sonoma
- Sonora
- Sorrento
- Souderton
- South Amboy
- South Barrington
- South Beloit
- South Bend
- South Bethany
- South Boston
- South Brunswick Township
- South Burlington
- South Charleston
- South Chicago Heights
- South Daytona
- South El Monte
- South Elgin
- South Euclid
- South Fulton
- South Gate
- South Glens Falls
- South Hackensack
- South Hadley
- South Harrison Township
- South Hill
- South Holland
- South Hutchinson
- South Jordan
- South Kensington
- South Kingstown
- South Lyon
- South Miami
- South Milwaukee
- South Orange
- South Park Township
- South Pasadena
- South Pittsburg
- South Plainfield
- South Point
- South Portland
- South Riding
- South River
- South Saint Paul
- South Salt Lake
- South San Francisco
- South Sioux City
- South Williamsport
- South Windsor
- Southampton
- Southampton Township
- Southaven
- Southborough
- Southbridge
- Southbury
- SOUTHEASTERN
- Southern Pines
- Southfield
- Southgate
- Southington
- Southlake
- Southold
- Southport
- Southwick
- Sparks
- Sparks Glenco
- Sparks Glencoe
- Sparrows Point
- Sparta
- Sparta Township
- Spartanburg
- Spearfish
- Speedway
- Spencer
- Spencerville
- Sperryville
- Spokane
- Spokane Valley
- Spotsylvania
- Spring
- Spring City
- Spring Gap
- Spring Green
- Spring Grove
- Spring Hill
- Spring House
- Spring Lake
- Spring Valley
- Springboro
- Springdale
- Springfield
- Springfield Township
- Springs
- Springville
- St. Augustine
- St. Charles
- St. George
- St. Louis
- Stafford
- Stallings
- Stamford
- Stanardsville
- Standish
- Stanhope
- Stanton
- Star
- Starke
- Starkville
- State College
- State Line
- Stateline
- Statesboro
- Statesville
- Staunton
- Steamboat Springs
- Steelton
- Steger
- Stella
- Stephens City
- Stephenson
- Sterling
- Sterling Heights
- Steubenville
- Stevens
- Stevens Point
- Stevensville
- Stewartstown
- Still Pond
- Stillwater
- Stilwell
- Stockbridge
- Stockton
- Stokesdale
- Stone Mountain
- Stone Ridge
- Stoneham
- Stoneville
- Stonington
- Stony Brook
- Stony Point
- Stormville
- Stoughton
- Stow
- Stowe
- Stoystown
- Strafford
- Strasburg
- Stratford
- Stratham
- Strattanville
- Streamwood
- Street
- Streetsboro
- Strongstown
- Strongsville
- Stroudsburg
- Stuart
- Stuarts Draft
- Sturbridge
- Sturgeon Bay
- Sturgis
- Sturtevant
- Stuttgart
- Sudbury
- Sudlersville
- Suffern
- Suffield
- Suffolk
- Sugar Hill
- Sugar Land
- Sugarcreek
- Sugarloaf
- Suisun City
- Suitland-Silver Hill
- Sulphur
- Sulphur Springs
- Summerdale
- Summerfield
- Summersville
- Summerville
- Summit
- Summit Point
- Summitville
- Sumner
- Sumter
- Sun City Center
- Sun City West
- Sun Prairie
- Sunbury
- Sunderland
- Sunfield
- Sunny Isles Beach
- Sunnyvale
- Sunrise
- Superior
- Sussex
- Sutton
- Suwanee
- Swainsboro
- Swampscott
- Swan Point
- Swansea
- Swanton
- Swanzey
- Swarthmore
- Swartz Creek
- Swedesboro
- Sweetwater
- Swiftwater
- Sybertsville
- Sycamore
- Sydney
- Sykesville
- Sylacauga
- Sylvania
- Syosset
- Syracuse