55 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Warren | 1 | 1,536 | 1,598 | -0.84% | 1,055 | 1 | City |
| Warren | 2 | 594 | 585 | 0.34% | 17 | 36 | Township |
| Stephen | 3 | 569 | 591 | -0.87% | 723 | 1 | City |
| Argyle | 4 | 526 | 541 | -0.57% | 349 | 2 | City |
| Alvarado | 5 | 385 | 398 | -0.77% | 1,842 | 0 | City |
| Newfolden | 6 | 340 | 354 | -0.87% | 335 | 1 | City |
| New Solum | 7 | 298 | 310 | -0.67% | 6 | 46 | Township |
| Excel | 8 | 296 | 308 | -0.67% | 6 | 47 | Township |
| Middle River | 9 | 291 | 304 | -1.02% | 586 | 0 | City |
| McCrea | 10 | 239 | 250 | -0.42% | 5 | 45 | Township |
| Oslo | 11 | 238 | 241 | -0.42% | 642 | 0 | City |
| Spruce Valley | 12 | 231 | 241 | -0.86% | 6 | 36 | Township |
| New Folden | 13 | 210 | 218 | -0.47% | 6 | 35 | Township |
| New Maine | 14 | 195 | 202 | -0.51% | 5 | 37 | Township |
| Grygla | 15 | 169 | 177 | -1.17% | 292 | 1 | City |
| Viking | 16 | 168 | 174 | -0.59% | 4 | 45 | Township |
| West Valley | 17 | 152 | 158 | -0.65% | 4 | 36 | Township |
| Valley | 18 | 125 | 130 | -0.79% | 4 | 34 | Township |
| Vega | 19 | 123 | 128 | -0.81% | 3 | 45 | Township |
| Nelson Park | 20 | 121 | 126 | -0.82% | 3 | 36 | Township |
| Marsh Grove | 21 | 116 | 121 | -0.85% | 3 | 36 | Township |
| Holt | 22 | 114 | 119 | -0.87% | 3 | 34 | Township |
| Agder | 23 | 109 | 114 | -0.91% | 2 | 44 | Township |
| Rollis | 24 | 101 | 104 | 0% | 3 | 36 | Township |
| Warrenton | 25 | 100 | 103 | 0% | 3 | 35 | Township |
| Moylan | 26 | 90 | 96 | -1.1% | 2 | 45 | Township |
| Holt | 27 | 86 | 90 | -1.15% | 86 | 1 | City |
| Viking | 28 | 77 | 81 | -1.28% | 149 | 1 | City |
| Alma | 29 | 77 | 79 | 0% | 2 | 36 | Township |
| Foldahl | 30 | 76 | 78 | 0% | 2 | 36 | Township |
| Lincoln | 31 | 75 | 79 | -1.32% | 2 | 36 | Township |
| Middle River | 32 | 75 | 79 | -1.32% | 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 |
| Strandquist | 37 | 67 | 70 | -1.47% | 257 | 0 | City |
| Wanger | 38 | 67 | 69 | 0% | 2 | 36 | Township |
| Augsburg | 39 | 66 | 68 | 0% | 2 | 36 | Township |
| Grand Plain | 40 | 51 | 54 | -1.92% | 1 | 45 | Township |
| Boxville | 41 | 47 | 50 | -2.08% | 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 1,536.
Fork is the smallest city in Marshall County, with a population of 6.
There are 55 cities in Marshall County, Minnesota.