- St. George, Virginia
- St. Helena, California
- St. Johns, Florida
- St. Joseph, Missouri
- St. Louis Park, Minnesota
- St. Louis, Missouri
- St. Marys, Georgia
- St. Paul, Minnesota
- St. Pete Beach, Florida
- St. Petersburg, Florida
- St. Simons Island, Georgia
- Stafford, Virginia
- Stamford, Connecticut
- Standish, Massachusetts
- Stanford, California
- Starkville, Mississippi
- State College, Pennsylvania
- Statesboro, Georgia
- Staunton, Virginia
- Steamboat Springs, Colorado
- Steele, Alabama
- Steelton, Pennsylvania
- Stephenville, Texas
- Stevenson, Washington
- Stillwater, Oklahoma
- Stockton Springs, Maine
- Stockton, California
- Stone Mountain, Georgia
- Stonewall, Louisiana
- Storrs, Connecticut
- Stow, Ohio
- Stowe, Vermont
- Stratton Mountain, Vermont
- Strawberry Plains, Tennessee
- Strongsville, Ohio
- Studio City, California
- Suffolk, Virginia
- Sugar Grove, Illinois
- Sugar Hill, Georgia
- Sugar Land, Texas
