39 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Alexandria | 1 | 15,039 | 14,411 | 0.84% | 875 | 17 | City |
| La Grand | 2 | 4,322 | 4,248 | 0.26% | 174 | 25 | Township |
| Alexandria | 3 | 3,112 | 2,969 | 0.91% | 162 | 19 | Township |
| Carlos | 4 | 2,265 | 2,227 | 0.27% | 75 | 30 | Township |
| Osakis | 5 | 1,741 | 1,771 | -0.34% | 906 | 2 | City |
| Ida | 6 | 1,439 | 1,412 | 0.28% | 51 | 28 | Township |
| Lake Mary | 7 | 1,180 | 1,162 | 0.17% | 42 | 28 | Township |
| Hudson | 8 | 966 | 947 | 0.31% | 29 | 33 | Township |
| Miltona | 9 | 935 | 921 | 0.11% | 35 | 27 | Township |
| Holmes City | 10 | 814 | 799 | 0.37% | 26 | 31 | Township |
| Moe | 11 | 782 | 768 | 0.26% | 26 | 30 | Township |
| Brandon | 12 | 779 | 767 | 0.13% | 26 | 30 | Township |
| Osakis | 13 | 705 | 692 | 0.28% | 22 | 31 | Township |
| Evansville | 14 | 583 | 601 | -0.68% | 744 | 1 | City |
| Garfield | 15 | 514 | 516 | 0.59% | 16 | 33 | Township |
| Brandon | 16 | 498 | 505 | -0.4% | 1,031 | 0 | City |
| Carlos | 17 | 482 | 499 | -0.82% | 1,078 | 0 | City |
| Spruce Hill | 18 | 469 | 462 | 0% | 13 | 36 | Township |
| Miltona | 19 | 445 | 429 | 0.68% | 663 | 1 | City |
| Millerville | 20 | 419 | 413 | 0.24% | 13 | 32 | Township |
| Leaf Valley | 21 | 412 | 405 | 0.24% | 12 | 33 | Township |
| Lund | 22 | 351 | 346 | 0% | 12 | 28 | Township |
| Orange | 23 | 351 | 345 | 0.29% | 10 | 35 | Township |
| Belle River | 24 | 346 | 340 | 0% | 10 | 36 | Township |
| Long Beach | 25 | 338 | 342 | -0.29% | 237 | 1 | City |
| Garfield | 26 | 334 | 346 | -0.89% | 415 | 1 | City |
| Urness | 27 | 277 | 271 | 0.36% | 9 | 32 | Township |
| Kensington | 28 | 271 | 266 | 0.37% | 757 | 0 | City |
| Solem | 29 | 237 | 234 | 0% | 7 | 34 | Township |
| Nelson | 30 | 236 | 238 | 0% | 7 | 36 | Township |
| Evansville | 31 | 229 | 223 | 0.44% | 7 | 33 | Township |
| Forada | 32 | 190 | 173 | 1.6% | 354 | 1 | City |
| Nelson | 33 | 183 | 181 | 0% | 277 | 1 | City |
| Garfield | 34 | 113 | 116 | -0.88% | 3 | 37 | Township |
| Millerville | 35 | 98 | 101 | -1.01% | 114 | 1 | City |
| Farwell | 36 | 56 | 56 | 0% | 223 | 0 | City |
| Urbank | 37 | 48 | 48 | 0% | 73 | 1 | City |
| Sedan | 38 | 46 | 45 | 0% | 91 | 1 | City |
| Westport | 39 | 46 | 44 | 0% | 174 | 0 | City |
Alexandria is the largest city in Douglas County, with a population of 15,039.
Westport is the smallest city in Douglas County, with a population of 46.
There are 39 cities in Douglas County, Minnesota.