38 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Willmar | 1 | 22,104 | 21,042 | 0.97% | 1,553 | 14 | City |
| New London | 2 | 2,979 | 2,945 | 0.37% | 120 | 25 | Township |
| Dovre | 3 | 2,184 | 2,162 | 0.37% | 80 | 27 | Township |
| Green Lake | 4 | 1,637 | 1,623 | 0.31% | 54 | 30 | Township |
| New London | 5 | 1,330 | 1,259 | 1.06% | 1,029 | 1 | City |
| Spicer | 6 | 1,095 | 1,112 | -0.36% | 915 | 1 | City |
| Atwater | 7 | 1,092 | 1,120 | -0.55% | 1,060 | 1 | City |
| Lake Andrew | 8 | 990 | 980 | 0.41% | 34 | 29 | Township |
| Irving | 9 | 977 | 970 | 0.21% | 30 | 33 | Township |
| Raymond | 10 | 798 | 785 | 0.25% | 901 | 1 | City |
| Roseville | 11 | 644 | 638 | 0.31% | 18 | 35 | Township |
| Colfax | 12 | 619 | 611 | 0.49% | 19 | 33 | Township |
| Kandiyohi | 13 | 576 | 571 | 0.35% | 17 | 33 | Township |
| Burbank | 14 | 573 | 567 | 0.35% | 17 | 33 | Township |
| Kandiyohi | 15 | 563 | 573 | -0.35% | 1,440 | 0 | City |
| Harrison | 16 | 554 | 550 | 0.18% | 17 | 32 | Township |
| Whitefield | 17 | 515 | 514 | 0% | 15 | 35 | Township |
| Prinsburg | 18 | 509 | 518 | -0.39% | 503 | 1 | City |
| Pennock | 19 | 479 | 483 | -0.21% | 469 | 1 | City |
| Willmar | 20 | 479 | 473 | 0.42% | 22 | 22 | Township |
| Gennessee | 21 | 423 | 417 | 0.48% | 13 | 32 | Township |
| St. Johns | 22 | 419 | 417 | 0.48% | 12 | 34 | Township |
| Mamre | 23 | 395 | 393 | 0% | 12 | 34 | Township |
| Arctander | 24 | 371 | 367 | 0.27% | 11 | 35 | Township |
| Roseland | 25 | 349 | 349 | 0% | 10 | 35 | Township |
| Fahlun | 26 | 335 | 334 | 0% | 11 | 29 | Township |
| Norway Lake | 27 | 284 | 280 | 0.71% | 9 | 33 | Township |
| Raymond | 28 | 243 | 234 | 0.41% | 7 | 36 | Township |
| Lake Lillian | 29 | 241 | 248 | -0.82% | 532 | 0 | City |
| Edwards | 30 | 240 | 240 | 0% | 7 | 35 | Township |
| Lake Elizabeth | 31 | 188 | 188 | 0% | 5 | 35 | Township |
| Lake Lillian | 32 | 182 | 181 | 0% | 5 | 36 | Township |
| East Lake Lillian | 33 | 176 | 172 | 1.15% | 5 | 34 | Township |
| Blomkest | 34 | 139 | 143 | -0.71% | 137 | 1 | City |
| Sunburg | 35 | 94 | 97 | -1.05% | 198 | 0 | City |
| Lake Henry | 36 | 77 | 74 | 0% | 389 | 0 | City |
| Spring Hill | 37 | 71 | 68 | 0% | 98 | 1 | City |
| Regal | 38 | 39 | 41 | -2.5% | 76 | 1 | City |
Willmar is the largest city in Kandiyohi County, with a population of 22,104.
Regal is the smallest city in Kandiyohi County, with a population of 39.
There are 38 cities in Kandiyohi County, Minnesota.