Towns
| State | City/Town | Town Title |
|---|---|---|
| Illinois | Sycamore | Sycamore, IL |
| Illinois | Table Grove | Table Grove, IL |
| Illinois | Tallula | Tallula, IL |
| Illinois | Tamaroa | Tamaroa, IL |
| Illinois | Tamms | Tamms, IL |
| Illinois | Tampico | Tampico, IL |
| Illinois | Taylor Ridge | Taylor Ridge, IL |
| Illinois | Taylor Springs | Taylor Springs, IL |
| Illinois | Taylorville | Taylorville, IL |
| Illinois | Techny | Techny, IL |
| Illinois | Tennessee | Tennessee, IL |
| Illinois | Teutopolis | Teutopolis, IL |
| Illinois | Texico | Texico, IL |
| Illinois | Thawville | Thawville, IL |
| Illinois | Thayer | Thayer, IL |
| Illinois | Thebes | Thebes, IL |
| Illinois | Thomasboro | Thomasboro, IL |
| Illinois | Thompsonville | Thompsonville, IL |
| Illinois | Thomson | Thomson, IL |
| Illinois | Thornton | Thornton, IL |
| Illinois | Tilden | Tilden, IL |
| Illinois | Tilton | Tilton, IL |
| Illinois | Timewell | Timewell, IL |
| Illinois | Tinley Park | Tinley Park, IL |
| Illinois | Tiskilwa | Tiskilwa, IL |