- Seward
- Sewanee
- Sewalls Point
- Seville
- Sevierville
- Severna Park
- Severn
- Severance
- Seven Oaks
- Seven Lakes
- Seven Hills
- Seven Fields
- Seven Corners
- Seth Ward
- Setauket-East Setauket
- Sesser
- Sergeant Bluff
- Sequim
- Senoia
- Seneca Knolls
- Seneca Falls
- Seneca
- Seneca
- Seneca
- Seneca
- Senatobia
- Seminole Manor
- Seminole
- Seminole
- Seminole
- Selmont-West Selmont
- Selmer
- Selma
- Selma
- Selma
- Selma
- Sells
- Sellersville
- Sellersburg
- Selinsgrove
- Selden
- Selbyville
- Selby-on-the-Bay
- Selah
- Seguin
- Seffner
- Seekonk
- Sedro-Woolley
- Sedona
- Sedco Hills
- Sedalia
- Security-Widefield
- Secaucus
- Sebring
- Sebring
- Sebastopol
- Sebastian
- Sebastian
- SeaTac
- Seat Pleasant
- Seaside Heights
- Seaside
- Seaside
- Seaside
- Searingtown
- Searcy
- Sealy
- Seal Beach
- Seagraves
- Seagoville
- Seagate
- Seaford
- Seaford
- Seacliff
- Seabrook
- Seabrook
- Seabrook
- Sea Isle City
- Sea Cliff
- Sea Breeze
- Scranton
- Scottsville
- Scottsville
- Scottsdale
- Scottsburg
- Scottsboro
- Scottsbluff
- Scotts Valley
- Scottdale
- Scottdale
- Scott Lake
- Scott City
- Scott City
- Scott Air Force Base
- Scott
- Scotland Neck
- Scotia
- Scotchtown
- Scotch Plains
- Scituate
