12 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Bemidji | 1 | 15,959 | 15,419 | 0.68% | 915 | 17.44 | City |
| Red Lake | 2 | 1,361 | 1,593 | -1.8% | 268 | 5.08 | CDP |
| Redby | 3 | 1,202 | 1,500 | -0.66% | 165 | 7.29 | CDP |
| Little Rock | 4 | 962 | 913 | -1.64% | 133 | 7.21 | CDP |
| Ponemah | 5 | 884 | 688 | 1.26% | 81 | 10.96 | CDP |
| Blackduck | 6 | 802 | 842 | -0.99% | 522 | 1.54 | City |
| Wilton | 7 | 263 | 270 | -0.38% | 89 | 2.95 | City |
| Kelliher | 8 | 244 | 259 | -1.21% | 111 | 2.20 | City |
| Tenstrike | 9 | 177 | 186 | -1.12% | 54 | 3.31 | City |
| Turtle River | 10 | 81 | 85 | -1.22% | 76 | 1.07 | City |
| Solway | 11 | 71 | 75 | -1.39% | 69 | 1.03 | City |
| Funkley | 12 | 12 | 12 | 0% | 16 | 0.76 | City |
Bemidji is the largest city in Beltrami County, with a population of 15,959.
Funkley is the smallest city in Beltrami County.
There are 12 cities in Beltrami County, Minnesota.