Towns
| State | City/Town | Town Title |
|---|---|---|
| Iowa | Gilmore City | Gilmore City, IA |
| Iowa | Gladbrook | Gladbrook, IA |
| Iowa | Glenwood | Glenwood, IA |
| Iowa | Glidden | Glidden, IA |
| Iowa | Goldfield | Goldfield, IA |
| Iowa | Goodell | Goodell, IA |
| Iowa | Goose Lake | Goose Lake, IA |
| Iowa | Gowrie | Gowrie, IA |
| Iowa | Graettinger | Graettinger, IA |
| Iowa | Grafton | Grafton, IA |
| Iowa | Grand Junction | Grand Junction, IA |
| Iowa | Grand Mound | Grand Mound, IA |
| Iowa | Grand River | Grand River, IA |
| Iowa | Grandview | Grandview, IA |
| Iowa | Granger | Granger, IA |
| Iowa | Grant | Grant, IA |
| Iowa | Granville | Granville, IA |
| Iowa | Gravity | Gravity, IA |
| Iowa | Gray | Gray, IA |
| Iowa | Greeley | Greeley, IA |
| Iowa | Greene | Greene, IA |
| Iowa | Greenfield | Greenfield, IA |
| Iowa | Greenville | Greenville, IA |
| Iowa | Grimes | Grimes, IA |
| Iowa | Grinnell | Grinnell, IA |