Towns
| State | City/Town | Town Title |
|---|---|---|
| Illinois | Gilberts | Gilberts, IL |
| Illinois | Gillespie | Gillespie, IL |
| Illinois | Gilman | Gilman, IL |
| Illinois | Gilson | Gilson, IL |
| Illinois | Girard | Girard, IL |
| Illinois | Gladstone | Gladstone, IL |
| Illinois | Glasford | Glasford, IL |
| Illinois | Glen Carbon | Glen Carbon, IL |
| Illinois | Glen Ellyn | Glen Ellyn, IL |
| Illinois | Glenarm | Glenarm, IL |
| Illinois | Glencoe | Glencoe, IL |
| Illinois | Glendale Heights | Glendale Heights, IL |
| Illinois | Glenview | Glenview, IL |
| Illinois | Glenview Nas | Glenview Nas, IL |
| Illinois | Glenwood | Glenwood, IL |
| Illinois | Godfrey | Godfrey, IL |
| Illinois | Golconda | Golconda, IL |
| Illinois | Golden | Golden, IL |
| Illinois | Golden Eagle | Golden Eagle, IL |
| Illinois | Golden Gate | Golden Gate, IL |
| Illinois | Golf | Golf, IL |
| Illinois | Good Hope | Good Hope, IL |
| Illinois | Goodfield | Goodfield, IL |
| Illinois | Goodwine | Goodwine, IL |
| Illinois | Goreville | Goreville, IL |