1 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Emmett | 1 | 9,073 | 7,723 | 3.07% | 3,111 | 3 | City |
Emmett is the largest city in Gem County, with a population of 9,073.
Emmett is the smallest city in Gem County, with a population of 9,073.
There is 1 city in Gem County, Idaho.