55 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Warren | 1 | 1,524 | 1,598 | -0.78% | 1,047 | 1 | City |
| Warren | 2 | 596 | 585 | 0.34% | 17 | 36 | Township |
| Stephen | 3 | 565 | 591 | -0.7% | 718 | 1 | City |
| Argyle | 4 | 523 | 541 | -0.57% | 347 | 2 | City |
| Alvarado | 5 | 383 | 398 | -0.52% | 1,833 | 0 | City |
| Newfolden | 6 | 337 | 354 | -0.88% | 332 | 1 | City |
| New Solum | 7 | 296 | 310 | -0.67% | 6 | 46 | Township |
| Excel | 8 | 294 | 308 | -0.68% | 6 | 47 | Township |
| Middle River | 9 | 289 | 304 | -0.69% | 581 | 0 | City |
| McCrea | 10 | 238 | 250 | -0.42% | 5 | 45 | Township |
| Oslo | 11 | 238 | 241 | 0% | 642 | 0 | City |
| Spruce Valley | 12 | 229 | 241 | -0.87% | 6 | 36 | Township |
| New Folden | 13 | 209 | 218 | -0.48% | 6 | 35 | Township |
| New Maine | 14 | 194 | 202 | -0.51% | 5 | 37 | Township |
| Grygla | 15 | 168 | 177 | -0.59% | 291 | 1 | City |
| Viking | 16 | 167 | 174 | -0.6% | 4 | 45 | Township |
| West Valley | 17 | 151 | 158 | -0.66% | 4 | 36 | Township |
| Valley | 18 | 124 | 130 | -0.8% | 4 | 34 | Township |
| Vega | 19 | 122 | 128 | -0.81% | 3 | 45 | Township |
| Nelson Park | 20 | 120 | 126 | -0.83% | 3 | 36 | Township |
| Marsh Grove | 21 | 115 | 121 | -0.86% | 3 | 36 | Township |
| Holt | 22 | 113 | 119 | -0.88% | 3 | 34 | Township |
| Agder | 23 | 108 | 114 | -0.92% | 2 | 44 | Township |
| Rollis | 24 | 101 | 104 | 0% | 3 | 36 | Township |
| Warrenton | 25 | 100 | 103 | 0% | 3 | 35 | Township |
| Moylan | 26 | 89 | 96 | -1.11% | 2 | 45 | Township |
| Holt | 27 | 85 | 90 | -1.16% | 85 | 1 | City |
| Alma | 28 | 77 | 79 | 0% | 2 | 36 | Township |
| Foldahl | 29 | 76 | 78 | 0% | 2 | 36 | Township |
| Viking | 30 | 76 | 81 | -1.3% | 147 | 1 | City |
| Lincoln | 31 | 74 | 79 | -1.33% | 2 | 36 | Township |
| Middle River | 32 | 74 | 79 | -1.33% | 2 | 35 | Township |
| Tamarac | 33 | 72 | 74 | 0% | 2 | 35 | Township |
| Bloomer | 34 | 70 | 72 | 0% | 2 | 36 | Township |
| Huntly | 35 | 69 | 71 | 0% | 2 | 36 | Township |
| Eckvoll | 36 | 68 | 70 | 0% | 2 | 36 | Township |
| Wanger | 37 | 67 | 69 | 0% | 2 | 36 | Township |
| Strandquist | 38 | 67 | 70 | 0% | 257 | 0 | City |
| Augsburg | 39 | 66 | 68 | 0% | 2 | 36 | Township |
| Grand Plain | 40 | 50 | 54 | -1.96% | 1 | 45 | Township |
| Boxville | 41 | 46 | 50 | -2.13% | 6 | 8 | Township |
| Veldt | 42 | 45 | 46 | 0% | 1 | 35 | Township |
| Como | 43 | 44 | 45 | 0% | 1 | 36 | Township |
| Whiteford | 44 | 39 | 40 | 0% | 1 | 35 | Township |
| East Valley | 45 | 38 | 39 | 0% | 2 | 22 | Township |
| Parker | 46 | 37 | 38 | 0% | 1 | 36 | Township |
| Big Woods | 47 | 36 | 37 | 0% | 1 | 31 | Township |
| Espelie | 48 | 35 | 36 | 0% | 1 | 45 | Township |
| Thief Lake | 49 | 31 | 32 | 0% | 1 | 28 | Township |
| East Park | 50 | 27 | 28 | 0% | 1 | 34 | Township |
| Moose River | 51 | 27 | 28 | 0% | 1 | 34 | Township |
| Sinnott | 52 | 26 | 27 | 0% | 1 | 36 | Township |
| Linsell | 53 | 21 | 22 | 0% | 1 | 36 | Township |
| Eagle Point | 54 | 11 | 11 | 0% | 0.00 | 28 | Township |
| Fork | 55 | 6 | 6 | 0% | 0.00 | 27 | Township |
Warren is the largest city in Marshall County, with a population of 1,524.
Fork is the smallest city in Marshall County, with a population of 6.
There are 55 cities in Marshall County, Minnesota.