15 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Blackfoot | 1 | 13,427 | 12,408 | 1.54% | 2,185 | 6 | City |
| Blackfoot | 2 | 13,427 | 12,410 | 1.54% | 2,185 | 6 | City |
| Shelley | 3 | 5,367 | 4,794 | 2% | 2,972 | 2 | City |
| Shelley | 4 | 5,367 | 4,841 | 2% | 2,972 | 2 | City |
| Fort Hall | 5 | 2,460 | 2,733 | -1.95% | 70 | 35 | CDP |
| Aberdeen | 6 | 1,879 | 1,760 | 1.24% | 1,824 | 1 | City |
| Aberdeen | 7 | 1,879 | 1,763 | 1.24% | 1,824 | 1 | City |
| Moreland | 8 | 1,359 | 1,246 | 0.37% | 558 | 2 | CDP |
| Groveland | 9 | 1,268 | 1,091 | 2.09% | 552 | 2 | CDP |
| Riverside | 10 | 1,133 | 1,131 | 1.8% | 528 | 2 | CDP |
| Firth | 11 | 547 | 519 | 0.92% | 955 | 1 | City |
| Firth | 12 | 547 | 521 | 0.92% | 955 | 1 | City |
| Basalt | 13 | 378 | 356 | 1.07% | 1,290 | 0 | City |
| Basalt | 14 | 378 | 356 | 1.07% | 1,290 | 0 | City |
| Rockford | 15 | 180 | 223 | -3.23% | 162 | 1 | CDP |
Blackfoot is the largest city in Bingham County, with a population of 13,427.
Rockford is the smallest city in Bingham County, with a population of 180.
There are 15 cities in Bingham County, Idaho.