Towns
| State | City/Town | Town Title |
|---|---|---|
| Illinois | Wellington | Wellington, IL |
| Illinois | Wenona | Wenona, IL |
| Illinois | West Brooklyn | West Brooklyn, IL |
| Illinois | West Chicago | West Chicago, IL |
| Illinois | West Frankfort | West Frankfort, IL |
| Illinois | West Liberty | West Liberty, IL |
| Illinois | West Point | West Point, IL |
| Illinois | West Salem | West Salem, IL |
| Illinois | West Union | West Union, IL |
| Illinois | West York | West York, IL |
| Illinois | Westchester | Westchester, IL |
| Illinois | Western Springs | Western Springs, IL |
| Illinois | Westfield | Westfield, IL |
| Illinois | Westmont | Westmont, IL |
| Illinois | Westville | Westville, IL |
| Illinois | Wheaton | Wheaton, IL |
| Illinois | Wheeler | Wheeler, IL |
| Illinois | Wheeling | Wheeling, IL |
| Illinois | White Hall | White Hall, IL |
| Illinois | White Heath | White Heath, IL |
| Illinois | Whittington | Whittington, IL |
| Illinois | Williamsfield | Williamsfield, IL |
| Illinois | Williamsville | Williamsville, IL |
| Illinois | Willisville | Willisville, IL |
| Illinois | Willow Hill | Willow Hill, IL |