| City | County | 2026 Pop. ↓ |
|---|---|---|
| Garden City | Ada County | 13,203 |
| Gooding | Gooding County | 3,892 |
| Grangeville | Idaho County | 3,692 |
| Groveland | Bingham County | 1,279 |
| Glenns Ferry | Elmore County | 1,254 |
| Genesee | Latah County | 1,108 |
| Grace | Caribou County | 942 |
| Greenleaf | Canyon County | 783 |
| Georgetown | Bear Lake County | 492 |
| Grand View | Owyhee County | 467 |
| Gannett | Blaine County | 428 |
| Garden Valley | Boise County | 357 |