43 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Roseau | 1 | 2,660 | 2,739 | -0.6% | 995 | 2.67 | City |
| Warroad | 2 | 2,047 | 1,826 | 2.2% | 625 | 3.27 | City |
| Lake township | 3 | 1,935 | 1,979 | -1.23% | 34 | 57.33 | Township |
| Greenbush township | 4 | 1,335 | 1,307 | 0.38% | 36 | 37.05 | Township |
| Moranville township | 5 | 857 | 910 | -1.83% | 24 | 35.46 | Township |
| Greenbush | 6 | 668 | 683 | -0.45% | 435 | 1.54 | City |
| Roosevelt township | 7 | 615 | 585 | 0.82% | 20 | 31.24 | Township |
| Jadis township | 8 | 584 | 623 | -1.85% | 12 | 49.42 | Township |
| Spruce township | 9 | 548 | 582 | -1.79% | 15 | 35.47 | Township |
| Laona township | 10 | 477 | 505 | -1.85% | 13 | 38.05 | Township |
| Ross township | 11 | 445 | 405 | 0.91% | 12 | 35.70 | Township |
| Badger | 12 | 412 | 429 | -0.72% | 308 | 1.34 | City |
| Enstrom township | 13 | 401 | 416 | -1.23% | 11 | 35.94 | Township |
| Malung township | 14 | 368 | 391 | -1.87% | 10 | 35.86 | Township |
| Mickinock township | 15 | 249 | 265 | -1.97% | 7 | 37.71 | Township |
| Stafford township | 16 | 242 | 262 | -2.81% | 7 | 36.01 | Township |
| Falun township | 17 | 237 | 242 | -0.84% | 7 | 35.55 | Township |
| Hereim township | 18 | 215 | 228 | -1.83% | 6 | 33.10 | Township |
| Roosevelt township | 19 | 214 | 224 | -0.93% | 6 | 34.20 | Township |
| Stokes township | 20 | 208 | 218 | -1.42% | 6 | 36.01 | Township |
| Skagen township | 21 | 191 | 201 | -1.55% | 5 | 35.10 | Township |
| Golden Valley township | 22 | 170 | 179 | -1.73% | 5 | 36.18 | Township |
| Roosevelt | 23 | 150 | 157 | -0.66% | 146 | 1.03 | City |
| Cedarbend township | 24 | 149 | 159 | -1.97% | 4 | 35.99 | Township |
| Dieter township | 25 | 137 | 147 | -2.14% | 3 | 44.45 | Township |
| Barnett township | 26 | 133 | 138 | -1.48% | 4 | 36.95 | Township |
| Grimstad township | 27 | 112 | 119 | -1.75% | 3 | 37.12 | Township |
| Badger township | 28 | 111 | 112 | 0% | 3 | 35.64 | Township |
| Barto township | 29 | 110 | 117 | -1.79% | 3 | 36.87 | Township |
| Deer township | 30 | 103 | 110 | -1.9% | 3 | 36.21 | Township |
| Huss township | 31 | 103 | 110 | -1.9% | 3 | 36.50 | Township |
| Moose township | 32 | 96 | 103 | -2.04% | 3 | 36.47 | Township |
| Dewey township | 33 | 95 | 99 | -1.04% | 3 | 34.71 | Township |
| Beaver township | 34 | 92 | 96 | -1.08% | 3 | 35.41 | Township |
| Reine township | 35 | 90 | 92 | -1.1% | 2 | 36.10 | Township |
| Soler township | 36 | 83 | 87 | -1.19% | 2 | 36.50 | Township |
| Poplar Grove township | 37 | 73 | 77 | -1.35% | 2 | 35.84 | Township |
| Nereson township | 38 | 51 | 54 | -1.92% | 1 | 36.36 | Township |
| Palmville township | 39 | 41 | 44 | -2.38% | 1 | 35.76 | Township |
| Pohlitz township | 40 | 34 | 37 | -2.86% | 1 | 43.19 | Township |
| Lind township | 41 | 28 | 31 | -3.45% | 1 | 36.17 | Township |
| Strathcona | 42 | 24 | 26 | 0% | 48 | 0.50 | City |
| Polonia township | 43 | 21 | 24 | -4.55% | 1 | 36.71 | Township |
Roseau is the largest city in Roseau County, with a population of 2,660.
Polonia township is the smallest city in Roseau County.
There are 43 cities in Roseau County, Minnesota.