- Sauk Centre
- Sauk Rapids
- Saum
- Savage
- Sawbill Landing
- Sawyer
- Sax
- Scandia
- Scanlon
- Schechs Mill
- Schley
- Schmidts Island
- Schoolcraft Island
- Schroeder
- Schultz Trailer Park
- Scott
- Scott Junction
- Scotts Corner
- Scranton
- Scribner
- Seaforth
- Searles
- Sebeka
- Secluded Acres
- Second Island
- Second Island
- Section Thirty
- Sedan
- Sedil
- Serpent Lake Mobile Home Park