4 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Red Lake Falls | 1 | 1,316 | 1,348 | -0.38% | 627 | 2 | City |
| Oklee | 2 | 403 | 415 | -0.49% | 537 | 1 | City |
| Plummer | 3 | 272 | 275 | 0% | 102 | 3 | City |
| Brooks | 4 | 116 | 118 | 0% | 101 | 1 | City |
Red Lake Falls is the largest city in Red Lake County, with a population of 1,316.
Brooks is the smallest city in Red Lake County, with a population of 116.
There are 4 cities in Red Lake County, Minnesota.