5 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Grand Marais | 1 | 1,309 | 1,338 | -0.46% | 450 | 2.91 | City |
| Lutsen township | 2 | 534 | 541 | -1.29% | 5 | 98.40 | Township |
| Tofte township | 3 | 267 | 269 | -1.11% | 2 | 154.70 | Township |
| Lutsen | 4 | 234 | 218 | 1.3% | 22 | 10.58 | CDP |
| Schroeder township | 5 | 175 | 179 | -1.69% | 1 | 150.04 | Township |
Grand Marais is the largest city in Cook County, with a population of 1,309.
Schroeder township is the smallest city in Cook County.
There are 5 cities in Cook County, Minnesota.