8 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Belcourt | 1 | 1,696 | 2,132 | -1.45% | 292 | 5.81 | CDP |
| Shell Valley | 2 | 1,179 | 1,541 | -0.17% | 79 | 15 | CDP |
| Rolla | 3 | 1,129 | 1,218 | -1.57% | 773 | 1.46 | City |
| Green Acres | 4 | 843 | 618 | 2.18% | 560 | 1.50 | CDP |
| Dunseith | 5 | 593 | 637 | -1.49% | 592 | 1 | City |
| Rolette | 6 | 447 | 484 | -1.54% | 443 | 1.01 | City |
| St. John | 7 | 305 | 324 | -1.29% | 690 | 0.44 | City |
| Mylo | 8 | 17 | 19 | 0% | 20 | 0.86 | City |
Belcourt is the largest city in Rolette County, with a population of 1,696.
Mylo is the smallest city in Rolette County.
There are 8 cities in Rolette County, North Dakota.