- Gougars
- Grand Haven
- Grand Prairie
- Grape Island
- Graver Country Estates
- Gem Suburban Manufactured Housing Community
- Genet
- Gilmer
- Grange Hall
- Grass Island
- Grass Lake
- Great Lakes
- Garfield
- Grays Corner
- Griswold
- Georgetown
- Gillum
- Glen Avon
- Greenbriar
- Greenridge
- Gabaret Island
- Glen Carbon Crossing
- Graney
- Green Castle
- Goofy Ridge
- Grand Island
- Grinnell
- Golden Acres
- Gilchrist
- Gingle Corners