- George Island
- Gilmore
- Gilmore Junction
- Gladstone
- Glen
- Glenover
- Glenrock
- Glenville
- Glenwood Mobile Home Park
- Glenwood Park
- Goat Island
- Good Samaritan Village
- Goodwin
- Goose Island
- Goose Island
- Gordons Mobile Plaza
- Governor Island
- Grand Island
- Grand Rapids Island
- Greely Center
- Green Acres Mobile Home Community
- Green Acres Mobile Home Park
- Green Acres Trailer Court
- Green Meadows
- Grover
- Guendel Island