- Gravel Pit
- Gravity
- Gray
- Great Oaks
- Greeley
- Green Acres
- Green Acres Mobile Home Park
- Green Brier
- Green Castle
- Green Center
- Green Island
- Green Meadows Mobile Home Park
- Green Mountain
- Green Valley Mobile Home Court
- Greenbush
- Greenbush
- Greene
- Greenfield
- Greenfield Park Mobile Home Court
- Greenville
- Gridley
- Griffen
- Grimes
- Grinnell
- Griswold
- Grundy Center
- Gruver
- Guernsey
- Gunder
- Guss