16 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Alexandria | 1 | 15,318 | 14,380 | 1.24% | 891 | 17.19 | City |
| Osakis | 2 | 1,742 | 1,767 | -0.29% | 907 | 1.92 | City |
| Evansville | 3 | 582 | 601 | -0.68% | 742 | 0.78 | City |
| Brandon | 4 | 494 | 504 | -0.4% | 1,023 | 0.48 | City |
| Carlos | 5 | 481 | 496 | -0.62% | 1,076 | 0.45 | City |
| Miltona | 6 | 443 | 430 | 0.68% | 660 | 0.67 | City |
| Long Beach | 7 | 336 | 343 | -0.3% | 236 | 1.43 | City |
| Garfield | 8 | 335 | 347 | -0.59% | 416 | 0.81 | City |
| Kensington | 9 | 271 | 265 | 0.37% | 757 | 0.36 | City |
| Nelson | 10 | 185 | 180 | 0.54% | 280 | 0.66 | City |
| Forada | 11 | 167 | 172 | -0.6% | 311 | 0.54 | City |
| Millerville | 12 | 98 | 100 | 0% | 114 | 0.86 | City |
| Farwell | 13 | 55 | 57 | 0% | 219 | 0.25 | City |
| Urbank | 14 | 51 | 51 | 0% | 77 | 0.66 | City |
| Sedan | 15 | 45 | 44 | 0% | 89 | 0.51 | City |
| Westport | 16 | 41 | 41 | 0% | 155 | 0.26 | City |
Alexandria is the largest city in Douglas County, with a population of 15,318.
Westport is the smallest city in Douglas County.
There are 16 cities in Douglas County, Minnesota.