- South Irvine
- Sackett
- Sacramento
- Sadieville
- Sadler
- Saint Catharine
- Saint Charles
- Saint Charles
- Saint Dennis
- Saint Dennis (historical)
- Saint Elmo
- Saint Francis
- Saint Helens
- Saint John
- Saint Johns
- Saint Joseph
- Saint Joseph
- Saint Mary
- Saint Matthews
- Saint Paul
- Saint Paul
- Saint Regis Park
- Saint Vincent
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- Salem
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- Salt River