9 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Iron Mountain | 1 | 7,531 | 7,509 | 0.05% | 999 | 8 | City |
| Breitung charter | 2 | 5,872 | 5,840 | -0.15% | 92 | 64 | Township |
| Kingsford | 3 | 5,123 | 5,128 | -0.02% | 1,186 | 4 | City |
| Norway | 4 | 2,844 | 2,831 | 0.07% | 300 | 9 | City |
| Norway | 5 | 1,523 | 1,529 | -0.33% | 17 | 88 | Township |
| Sagola | 6 | 1,053 | 1,056 | -0.28% | 7 | 160 | Township |
| Waucedah | 7 | 803 | 804 | -0.25% | 9 | 89 | Township |
| Felch | 8 | 686 | 684 | -0.15% | 5 | 143 | Township |
| Breen | 9 | 471 | 470 | -0.21% | 5 | 89 | Township |
Iron Mountain is the largest city in Dickinson County, with a population of 7,531.
Breen is the smallest city in Dickinson County, with a population of 471.
There are 9 cities in Dickinson County, Michigan.