There are 10 cities in Mellette County, South Dakota.
Note: As defined by the US Census Bureau, a city's official boundaries often extend miles beyond the city itself and may even cross county lines. As such, several thousand US cities officially exist in two or more counties (and therefore appear on multiple counties' lists of cities.)
City | Rank | State | 2024 Population | 2020 Census | Annual Change | Density (mi²) | Area (mi²) |
|---|---|---|---|---|---|---|---|
| Winner | 1 | South Dakota | 2,872 | 2,908 | -0.31% | 1,253 | 2.29 |
| White River | 2 | South Dakota | 522 | 536 | -0.57% | 1,002 | 0.52 |
| Murdo | 3 | South Dakota | 446 | 474 | -1.54% | 709 | 0.63 |
| Parmelee | 4 | South Dakota | 330 | 538 | -13.61% | 58 | 5.71 |
| Horse Creek | 5 | South Dakota | 239 | 175 | 7.17% | 252 | 0.95 |
| Corn Creek | 6 | South Dakota | 209 | 125 | 6.63% | 103 | 2.03 |
| Norris | 7 | South Dakota | 162 | 148 | 2.53% | 195 | 0.83 |
| Belvidere | 8 | South Dakota | 43 | 43 | 0% | 57 | 0.76 |
| Wood | 9 | South Dakota | 41 | 43 | 0% | 167 | 0.25 |
| Okreek | 10 | South Dakota | 0 | 221 | 0% | 0 | 45 |
Note: City markers shown outside the county boundary mean that a part of the city extends into this county, but is primarily located in an adjacent county.
Winner is the largest city in Mellette County.
Okreek is the smallest city in Mellette County.
There are 10 cities in Mellette County, South Dakota.