4 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Philip | 1 | 749 | 762 | -0.4% | 1,204 | 1 | City |
| Midland | 2 | 109 | 109 | 0% | 317 | 0 | Town |
| Midland | 3 | 37 | 38 | 0% | 1 | 37 | Township |
| Cottonwood | 4 | 10 | 10 | 0% | 11 | 1 | Town |
Philip is the largest city in Haakon County, with a population of 749.
Cottonwood is the smallest city in Haakon County, with a population of 10.
There are 4 cities in Haakon County, South Dakota.