Place
- Illinois--Sidell1
- Illinois--Somonauk1
- Illinois--South Wilmington1
- Illinois--Standard1
- Illinois--Stephen County1
- Illinois--Stockton1
- Illinois--Stonington1
- Illinois--Stronghurst1
- Illinois--Table Grove1
- Illinois--Taylor Springs1
- Illinois--Tremont1
- Illinois--Ullin1
- Illinois--Union County1
- Illinois--Venice1
- Illinois--Vergennes1
- Illinois--Versailles1
- Illinois--Villa Park1
- Illinois--Villa Ridge1
- Illinois--Viola1
- Illinois--Wabash County1