92 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Aitkin | 1 | 2,175 | 2,171 | 0.05% | 744 | 3 | City |
| Aitkin | 2 | 2,175 | 2,170 | 0.05% | 744 | 3 | City |
| Shamrock | 3 | 1,292 | 1,215 | 1.33% | 53 | 25 | Township |
| Shamrock | 4 | 1,292 | 1,217 | 1.33% | 53 | 25 | Township |
| Farm Island | 5 | 1,060 | 994 | 1.44% | 37 | 28 | Township |
| Farm Island | 6 | 1,060 | 995 | 1.44% | 37 | 28 | Township |
| Nordland | 7 | 1,050 | 986 | 1.35% | 34 | 31 | Township |
| Nordland | 8 | 1,050 | 988 | 1.35% | 34 | 31 | Township |
| Aitkin | 9 | 972 | 909 | 1.57% | 31 | 31 | Township |
| Aitkin | 10 | 972 | 910 | 1.57% | 31 | 31 | Township |
| Hazelton | 11 | 845 | 795 | 1.32% | 30 | 28 | Township |
| Hazelton | 12 | 845 | 796 | 1.32% | 30 | 28 | Township |
| Hill City | 13 | 615 | 614 | 0% | 552 | 1 | City |
| Hill City | 14 | 615 | 613 | 0% | 552 | 1 | City |
| Spencer | 15 | 561 | 529 | 1.26% | 15 | 37 | Township |
| Spencer | 16 | 561 | 531 | 1.26% | 15 | 37 | Township |
| Lakeside | 17 | 537 | 502 | 1.32% | 19 | 29 | Township |
| Lakeside | 18 | 537 | 503 | 1.32% | 19 | 29 | Township |
| Hill Lake | 19 | 476 | 445 | 1.49% | 14 | 33 | Township |
| Hill Lake | 20 | 476 | 446 | 1.49% | 14 | 33 | Township |
| Glen | 21 | 461 | 433 | 1.32% | 14 | 34 | Township |
| Glen | 22 | 461 | 433 | 1.32% | 14 | 34 | Township |
| Malmo | 23 | 378 | 355 | 1.34% | 11 | 33 | Township |
| Malmo | 24 | 378 | 356 | 1.34% | 11 | 33 | Township |
| McGregor | 25 | 377 | 379 | -0.26% | 176 | 2 | City |
| McGregor | 26 | 377 | 379 | -0.26% | 176 | 2 | City |
| Fleming | 27 | 352 | 330 | 1.44% | 10 | 34 | Township |
| Fleming | 28 | 352 | 331 | 1.44% | 10 | 34 | Township |
| Wagner | 29 | 351 | 331 | 1.15% | 10 | 35 | Township |
| Wagner | 30 | 351 | 332 | 1.15% | 10 | 35 | Township |
| Jevne | 31 | 349 | 327 | 1.45% | 10 | 34 | Township |
| Jevne | 32 | 349 | 328 | 1.45% | 10 | 34 | Township |
| Spalding | 33 | 341 | 320 | 1.19% | 9 | 37 | Township |
| Spalding | 34 | 341 | 320 | 1.19% | 9 | 37 | Township |
| Waukenabo | 35 | 331 | 312 | 1.22% | 10 | 33 | Township |
| Waukenabo | 36 | 331 | 312 | 1.22% | 10 | 33 | Township |
| Ball Bluff | 37 | 285 | 267 | 1.42% | 8 | 34 | Township |
| Ball Bluff | 38 | 285 | 268 | 1.42% | 8 | 34 | Township |
| Wealthwood | 39 | 267 | 250 | 1.52% | 12 | 23 | Township |
| Wealthwood | 40 | 267 | 251 | 1.52% | 12 | 23 | Township |
| Idun | 41 | 236 | 223 | 1.29% | 6 | 37 | Township |
| Idun | 42 | 236 | 223 | 1.29% | 6 | 37 | Township |
| Workman | 43 | 225 | 212 | 1.35% | 7 | 33 | Township |
| Workman | 44 | 225 | 213 | 1.35% | 7 | 33 | Township |
| Kimberly | 45 | 198 | 185 | 1.54% | 6 | 36 | Township |
| Kimberly | 46 | 198 | 185 | 1.54% | 6 | 36 | Township |
| Logan | 47 | 196 | 185 | 1.03% | 6 | 35 | Township |
| Logan | 48 | 196 | 185 | 1.03% | 6 | 35 | Township |
| Morrison | 49 | 188 | 178 | 1.08% | 5 | 36 | Township |
| Morrison | 50 | 188 | 178 | 1.08% | 5 | 36 | Township |
| Macville | 51 | 179 | 167 | 1.13% | 5 | 36 | Township |
| Macville | 52 | 179 | 167 | 1.13% | 5 | 36 | Township |
| Palisade | 53 | 170 | 162 | 0.59% | 249 | 1 | City |
| Palisade | 54 | 170 | 162 | 0.59% | 249 | 1 | City |
| Haugen | 55 | 167 | 155 | 1.83% | 5 | 36 | Township |
| Haugen | 56 | 167 | 156 | 1.83% | 5 | 36 | Township |
| Turner | 57 | 146 | 137 | 1.39% | 5 | 30 | Township |
| Turner | 58 | 146 | 137 | 1.39% | 5 | 30 | Township |
| Rice River | 59 | 130 | 122 | 0.78% | 4 | 36 | Township |
| Rice River | 60 | 130 | 122 | 0.78% | 4 | 36 | Township |
| Clark | 61 | 126 | 120 | 0.8% | 4 | 32 | Township |
| Clark | 62 | 126 | 120 | 0.8% | 4 | 32 | Township |
| Pliny | 63 | 120 | 114 | 0.84% | 3 | 36 | Township |
| Pliny | 64 | 120 | 114 | 0.84% | 3 | 36 | Township |
| McGregor | 65 | 107 | 100 | 1.9% | 3 | 33 | Township |
| McGregor | 66 | 107 | 100 | 1.9% | 3 | 33 | Township |
| Salo | 67 | 95 | 89 | 1.06% | 3 | 35 | Township |
| Salo | 68 | 95 | 89 | 1.06% | 3 | 35 | Township |
| Beaver | 69 | 67 | 62 | 1.52% | 2 | 35 | Township |
| Beaver | 70 | 67 | 62 | 1.52% | 2 | 35 | Township |
| Seavey | 71 | 66 | 60 | 3.13% | 2 | 36 | Township |
| Seavey | 72 | 66 | 60 | 3.13% | 2 | 36 | Township |
| Millward | 73 | 65 | 61 | 1.56% | 1 | 71 | Township |
| Millward | 74 | 65 | 61 | 1.56% | 1 | 71 | Township |
| Tamarack | 75 | 61 | 58 | 0% | 17 | 4 | City |
| Tamarack | 76 | 61 | 58 | 0% | 17 | 4 | City |
| Libby | 77 | 49 | 45 | 2.08% | 1 | 35 | Township |
| Libby | 78 | 49 | 45 | 2.08% | 1 | 35 | Township |
| Cornish | 79 | 47 | 44 | 2.17% | 1 | 34 | Township |
| Cornish | 80 | 47 | 44 | 2.17% | 1 | 34 | Township |
| Lee | 81 | 41 | 38 | 2.5% | 1 | 34 | Township |
| Lee | 82 | 41 | 38 | 2.5% | 1 | 34 | Township |
| Verdon | 83 | 41 | 39 | 0% | 1 | 36 | Township |
| Verdon | 84 | 41 | 39 | 0% | 1 | 36 | Township |
| McGrath | 85 | 41 | 41 | 0% | 111 | 0 | City |
| McGrath | 86 | 41 | 41 | 0% | 111 | 0 | City |
| White Pine | 87 | 40 | 35 | 5.26% | 1 | 37 | Township |
| White Pine | 88 | 40 | 35 | 5.26% | 1 | 37 | Township |
| Denham | 89 | 39 | 38 | 0% | 29 | 1 | City |
| Denham | 90 | 39 | 38 | 0% | 29 | 1 | City |
| Balsam | 91 | 33 | 30 | 3.13% | 1 | 36 | Township |
| Balsam | 92 | 33 | 30 | 3.13% | 1 | 36 | Township |
Aitkin is the largest city in Aitkin County, with a population of 2,175.
Balsam is the smallest city in Aitkin County, with a population of 33.
There are 92 cities in Aitkin County, Minnesota.