- Galena
- Gallup
- Gannvalley
- Garden City
- Garretson
- Gary
- Gayville
- Gayville
- Geddes
- Gederos Estates
- Gettysburg
- Glad Valley
- Glencross
- Glendale Colony
- Glenham
- Gold Mountain Subdivision
- Golden View Colony
- Goodwill
- Goodwin
- Goose Island
- Gorman
- Gossage Memorial
- Graceville Colony
- Grandview
- Grass Ranch Colony
- Grassland Colony
- Gray Goose
- Green Grass
- Green Island (historical)
- Green Trees Subdivision