68 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Hallock | 1 | 842 | 898 | -1.29% | 395 | 2 | City |
| Hallock | 2 | 842 | 894 | -1.29% | 395 | 2 | City |
| Karlstad | 3 | 662 | 708 | -1.34% | 440 | 2 | City |
| Karlstad | 4 | 662 | 705 | -1.34% | 440 | 2 | City |
| Lancaster | 5 | 336 | 358 | -1.18% | 144 | 2 | City |
| Lancaster | 6 | 336 | 356 | -1.18% | 144 | 2 | City |
| Humboldt | 7 | 283 | 282 | 0.35% | 9 | 33 | Township |
| Humboldt | 8 | 283 | 281 | 0.35% | 9 | 33 | Township |
| Lake Bronson | 9 | 167 | 180 | -1.76% | 316 | 1 | City |
| Lake Bronson | 10 | 167 | 179 | -1.76% | 316 | 1 | City |
| Kennedy | 11 | 163 | 177 | -1.81% | 365 | 0 | City |
| Kennedy | 12 | 163 | 176 | -1.81% | 365 | 0 | City |
| Thompson | 13 | 134 | 142 | -0.74% | 4 | 36 | Township |
| Thompson | 14 | 134 | 141 | -0.74% | 4 | 36 | Township |
| Poppleton | 15 | 129 | 137 | -0.77% | 4 | 35 | Township |
| Poppleton | 16 | 129 | 136 | -0.77% | 4 | 35 | Township |
| Jupiter | 17 | 103 | 108 | 0% | 3 | 36 | Township |
| Jupiter | 18 | 103 | 107 | 0% | 3 | 36 | Township |
| Richardville | 19 | 101 | 106 | 0% | 2 | 45 | Township |
| Richardville | 20 | 101 | 105 | 0% | 2 | 45 | Township |
| Hazelton | 21 | 97 | 102 | 0% | 3 | 36 | Township |
| Hazelton | 22 | 97 | 101 | 0% | 3 | 36 | Township |
| Arveson | 23 | 90 | 96 | -1.1% | 3 | 34 | Township |
| Arveson | 24 | 90 | 95 | -1.1% | 3 | 34 | Township |
| Norway | 25 | 89 | 95 | -1.11% | 3 | 35 | Township |
| Norway | 26 | 89 | 94 | -1.11% | 3 | 35 | Township |
| Hallock | 27 | 84 | 90 | -1.18% | 2 | 34 | Township |
| Hallock | 28 | 84 | 90 | -1.18% | 2 | 34 | Township |
| Teien | 29 | 66 | 69 | 0% | 2 | 29 | Township |
| Teien | 30 | 66 | 69 | 0% | 2 | 29 | Township |
| Granville | 31 | 61 | 64 | 0% | 2 | 34 | Township |
| Granville | 32 | 61 | 64 | 0% | 2 | 34 | Township |
| Halma | 33 | 55 | 59 | -1.79% | 59 | 1 | City |
| Halma | 34 | 55 | 59 | -1.79% | 59 | 1 | City |
| St. Vincent | 35 | 49 | 53 | -2% | 48 | 1 | City |
| St. Vincent | 36 | 49 | 53 | -2% | 48 | 1 | City |
| Skane | 37 | 47 | 49 | 0% | 1 | 35 | Township |
| Skane | 38 | 47 | 49 | 0% | 1 | 35 | Township |
| Spring Brook | 39 | 47 | 49 | 0% | 1 | 36 | Township |
| Spring Brook | 40 | 47 | 49 | 0% | 1 | 36 | Township |
| St. Vincent | 41 | 46 | 50 | -2.13% | 1 | 54 | Township |
| St. Vincent | 42 | 46 | 50 | -2.13% | 1 | 54 | Township |
| Pelan | 43 | 42 | 44 | 0% | 1 | 36 | Township |
| Pelan | 44 | 42 | 44 | 0% | 1 | 36 | Township |
| Humboldt | 45 | 38 | 41 | -2.56% | 342 | 0 | City |
| Humboldt | 46 | 38 | 41 | -2.56% | 342 | 0 | City |
| Svea | 47 | 36 | 38 | 0% | 1 | 36 | Township |
| Svea | 48 | 36 | 38 | 0% | 1 | 36 | Township |
| Percy | 49 | 35 | 37 | 0% | 1 | 35 | Township |
| Percy | 50 | 35 | 37 | 0% | 1 | 35 | Township |
| Caribou | 51 | 33 | 35 | 0% | 1 | 44 | Township |
| Caribou | 52 | 33 | 35 | 0% | 1 | 44 | Township |
| Davis | 53 | 32 | 34 | 0% | 1 | 36 | Township |
| Davis | 54 | 32 | 34 | 0% | 1 | 36 | Township |
| Hampden | 55 | 30 | 33 | -3.23% | 1 | 36 | Township |
| Hampden | 56 | 30 | 33 | -3.23% | 1 | 36 | Township |
| Tegner | 57 | 30 | 33 | -3.23% | 1 | 36 | Township |
| Tegner | 58 | 30 | 33 | -3.23% | 1 | 36 | Township |
| Clow | 59 | 27 | 30 | -3.57% | 1 | 45 | Township |
| Clow | 60 | 27 | 30 | -3.57% | 1 | 45 | Township |
| Hill | 61 | 23 | 24 | 0% | 1 | 32 | Township |
| Hill | 62 | 23 | 24 | 0% | 1 | 32 | Township |
| South Red River | 63 | 20 | 21 | 0% | 1 | 18 | Township |
| South Red River | 64 | 20 | 21 | 0% | 1 | 18 | Township |
| Donaldson | 65 | 16 | 18 | -5.88% | 70 | 0 | City |
| Donaldson | 66 | 16 | 18 | -5.88% | 70 | 0 | City |
| Cannon | 67 | 13 | 14 | 0% | 0.00 | 36 | Township |
| Cannon | 68 | 13 | 14 | 0% | 0.00 | 36 | Township |
Hallock is the largest city in Kittson County, with a population of 842.
Cannon is the smallest city in Kittson County, with a population of 13.
There are 68 cities in Kittson County, Minnesota.