Cities in United States ( 10,163 )
- Sitka, Alaska
- Sixteen Mile Stand
- Skiatook
- Skidaway Island
- Skidway Lake
- Skippack, Pennsylvania
- Skippers Corner
- Skokie
- Skowhegan
- Sky Lake
- Skyline View
- Slatington, Pennsylvania
- Slaton
- Slaughterville
- Sleepy Eye
- Sleepy Hollow, Illinois
- Sleepy Hollow, New York
- Slidell, Louisiana
- Slinger, Wisconsin
- Slippery Rock, Pennsylvania
- Sloan, New York
- Sloatsburg
- Smith Mills, Massachusetts
- Smithfield, North Carolina
- Smithfield, Rhode Island
- Smithfield, Utah
- Smithfield, Virginia
- Smiths Station
- Smithsburg
- Smithton, Illinois
- Smithtown
- Smithville, Missouri
- Smithville, New Jersey
- Smithville, Tennessee
- Smithville, Texas
- Smyrna, Delaware