- Summerfield, Florida
- Summerton, South Carolina
- Summit, Mississippi
- Sundance, Utah
- Sunnyvale, California
- Superior, Colorado
- Supply, North Carolina
- Surf City, North Carolina
- Suwanee, Georgia
- Swanzey, New Hampshire
- Sylvania, Ohio
- Syracuse, New York
- Tacoma, Washington
- Taft, California
- Tahlequah, Oklahoma
- Talladega, Alabama
- Tallahassee, Florida
- Tallmadge, Ohio
- Tamarac, Florida
- Tampa, Florida
- Taos, New Mexico
- Tarpon Springs, Florida
- Tarrytown, New York
- Tarzana, California
- Taylorsville, North Carolina
- Teaneck, New Jersey
- Tempe, Arizona
- Templeton, California
- Terre Haute, Indiana
- Texarkana, Texas
- Thayer, Kansas
- The Colony, Texas
- The Woodlands, Texas
- Thibodaux, Louisiana
- Thomasville, Arkansas
- Thomasville, Georgia
- Thompson's Station, Tennessee
- Thomson, Georgia
- Thousand Oaks, California
- Thousand Palms, California
