| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Kellogg | 1 | 2,501 | 2,320 | 1.21% | 629 | 4 | City |
| Pinehurst | 2 | 1,834 | 1,684 | 1.38% | 1,841 | 1 | City |
| Osburn | 3 | 1,718 | 1,597 | 1.18% | 1,304 | 1 | City |
| Wallace | 4 | 839 | 790 | 0.96% | 924 | 1 | City |
| Smelterville | 5 | 723 | 669 | 1.26% | 2,363 | 0 | City |
| Mullan | 6 | 689 | 646 | 1.03% | 833 | 1 | City |
| Wardner | 7 | 209 | 193 | 1.46% | 240 | 1 | City |
Kellogg is the largest city in Shoshone County, with a population of 2,501.
Wardner is the smallest city in Shoshone County, with a population of 209.
There are 7 cities in Shoshone County, Idaho.