34 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Red Lake Falls | 1 | 1,321 | 1,346 | -0.45% | 629 | 2 | City |
| Red Lake Falls | 2 | 1,321 | 1,348 | -0.45% | 629 | 2 | City |
| Oklee | 3 | 405 | 414 | -0.49% | 540 | 1 | City |
| Oklee | 4 | 405 | 415 | -0.49% | 540 | 1 | City |
| Plummer | 5 | 272 | 274 | -0.37% | 102 | 3 | City |
| Plummer | 6 | 272 | 275 | -0.37% | 102 | 3 | City |
| Gervais | 7 | 231 | 238 | -0.86% | 7 | 36 | Township |
| Gervais | 8 | 231 | 238 | -0.86% | 7 | 36 | Township |
| Emardville | 9 | 193 | 200 | -1.03% | 4 | 46 | Township |
| Emardville | 10 | 193 | 200 | -1.03% | 4 | 46 | Township |
| Garnes | 11 | 181 | 184 | -0.55% | 4 | 48 | Township |
| Garnes | 12 | 181 | 184 | -0.55% | 4 | 48 | Township |
| Red Lake Falls | 13 | 179 | 182 | -0.56% | 5 | 34 | Township |
| Red Lake Falls | 14 | 179 | 182 | -0.56% | 5 | 34 | Township |
| Louisville | 15 | 166 | 169 | -0.6% | 5 | 36 | Township |
| Louisville | 16 | 166 | 169 | -0.6% | 5 | 36 | Township |
| Terrebonne | 17 | 144 | 147 | -0.69% | 4 | 36 | Township |
| Terrebonne | 18 | 144 | 147 | -0.69% | 4 | 36 | Township |
| Equality | 19 | 138 | 145 | -2.13% | 3 | 48 | Township |
| Equality | 20 | 138 | 145 | -2.13% | 3 | 48 | Township |
| Lambert | 21 | 134 | 137 | -0.74% | 4 | 36 | Township |
| Lambert | 22 | 134 | 137 | -0.74% | 4 | 36 | Township |
| Brooks | 23 | 116 | 118 | -0.85% | 101 | 1 | City |
| Brooks | 24 | 116 | 118 | -0.85% | 101 | 1 | City |
| Poplar River | 25 | 115 | 117 | -0.86% | 3 | 35 | Township |
| Poplar River | 26 | 115 | 117 | -0.86% | 3 | 35 | Township |
| Lake Pleasant | 27 | 102 | 104 | -0.97% | 3 | 36 | Township |
| Lake Pleasant | 28 | 102 | 104 | -0.97% | 3 | 36 | Township |
| River | 29 | 60 | 62 | -1.64% | 5 | 12 | Township |
| River | 30 | 60 | 62 | -1.64% | 5 | 12 | Township |
| Wylie | 31 | 57 | 59 | -1.72% | 5 | 12 | Township |
| Wylie | 32 | 57 | 59 | -1.72% | 5 | 12 | Township |
| Browns Creek | 33 | 42 | 42 | 0% | 3 | 12 | Township |
| Browns Creek | 34 | 42 | 42 | 0% | 3 | 12 | Township |
Red Lake Falls is the largest city in Red Lake County, with a population of 1,321.
Browns Creek is the smallest city in Red Lake County, with a population of 42.
There are 34 cities in Red Lake County, Minnesota.