There are 8 cities in Buffalo 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) |
|---|---|---|---|---|---|---|---|
| Chamberlain | 1 | South Dakota | 2,521 | 2,475 | 0.48% | 563 | 4.48 |
| Miller | 2 | South Dakota | 1,325 | 1,345 | -0.38% | 1,338 | 0.99 |
| Fort Thompson | 3 | South Dakota | 1,039 | 1,275 | -5.37% | 100 | 10.38 |
| Kimball | 4 | South Dakota | 569 | 569 | 0% | 166 | 3.44 |
| Pukwana | 5 | South Dakota | 243 | 233 | 1.25% | 317 | 0.77 |
| Millerdale Colony | 6 | South Dakota | 156 | 16 | 28.93% | 607 | 0.26 |
| Gann Valley | 7 | South Dakota | 12 | 11 | 0% | 152 | 0.08 |
| Grass Ranch Colony | 8 | South Dakota | 0 | 77 | 0% | 0 | 1.06 |
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.
Chamberlain is the largest city in Buffalo County.
Grass Ranch Colony is the smallest city in Buffalo County.
There are 8 cities in Buffalo County, South Dakota.