4 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Grand Marais | 1 | 1,297 | 1,340 | -0.69% | 446 | 3 | City |
| Lutsen | 2 | 534 | 540 | -1.29% | 5 | 98 | Township |
| Tofte | 3 | 266 | 269 | -1.48% | 2 | 155 | Township |
| Schroeder | 4 | 176 | 178 | -1.12% | 1 | 150 | Township |
Grand Marais is the largest city in Cook County, with a population of 1,297.
Schroeder is the smallest city in Cook County, with a population of 176.
There are 4 cities in Cook County, Minnesota.