- Sadorus
- Sadorus township
- St Anne
- St. Anne Township
- St. Charles
- St. Charles Township
- St Joseph
- St. Joseph Township
- Salem
- Salem township
- Salina
- Sand Ridge
- Sandoval
- Sandoval Township
- Sandwich
- Sandwich Township
- Sangamon
- Santa Anna
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- Saunemin
- Saunemin Township
- Savanna
- Savanna Township
- Savoy
- Saybrook
- Scales Mound
- Scales Mound township
- Schaumburg
- Schaumburg Township
- Scheller
- Schiller Park
- Scott
- Seaton
- Seatonville
- Secor
- Selby
- Senachwine
- Seneca
- Seneca
- Serena
- Serena Township
- Sesser
- Seward
- Seward
- Seymour
- Shabbona
- Shabbona Township
- Shawneetown
- Sheffield
- Sheldon
- Sheldon Township
- Sheridan
- Sherrard
- Shields
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- Shorewood
- Sidell
- Sidell township
- Sidney
- Sidney Township
- Silvis
- Simpson
- Simpson Precinct
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- Six Mile
- Skokie
- Sleepy Hollow
- Somer
- Somerset
- Somonauk
- Somonauk township
- Songer
- South Barrington
- South Beloit
- South Chicago Heights
- South Dixon
- South Elgin
- South Holland
- South Homer
- South Moline
- South Ottawa
- South Rock Island
- Southern
- Sparta
- Sparta precinct
- Spring
- Spring Garden
- Spring Grove
- Spring Valley
- Springfield
- Squaw Grove
- Stanford
- Steger
- Sterling
- Sterling Township
- Stevenson
- Stickney
- Stickney Township
- Stillman Valley
- Stockton
- Stone Church
- Stone Park
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- Stookey
- Strawn
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- Streator
- Streator
- Sublette
- Sublette Township
- Suez
- Sugar Grove
- Sugar Grove Township
- Sullivan
- Sullivan
- Sullivan Township
- Summit
- Summit Argo
- Sumner
- Sumner
- Sun River Terrace
- Sunfield
- Sunnyland
- Sycamore
- Sycamore Township
Illinois Homes for sale & real estate cities starting with "S"
Illinois Cities starting With "S"
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