Mellette County, South Dakota Cities (2025)

18 cities

City
Rank
2025 Pop.
2020 Pop.
Annual Change
Density
Area (mi²)
Type
White River1506538-1.17%9711 City
Horse Creek22591757.02%2731 CDP
Norris3167176-1.18%821 Township
Norris41561480%1881 CDP
Blackpipe547490%136 Township
Wood640420%1630 Town
Bad Nation731320%0.0072 Township
Mosher825260%136 Township
Cody923240%0.0074 Township
Running Bird1020210%136 Township
Red Fish1117180%0.0043 Township
Riverside1217180%0.0056 Township
Surprise Valley131114-8.33%0.0034 Township
Ring Thunder14811-11.11%0.0036 Township
Rocky Ford15880%0.0050 Township
New Surprise Valley16660%0.0036 Township
Prospect17110%0.0086 Township
Butte18000.0037 Township

Mellette County Cities Summary

Largest City

White River is the largest city in Mellette County, with a population of 506.

Smallest City

Butte is the smallest city in Mellette County, with a population of 0.

10 Largest Cities

There are 18 cities in Mellette County, South Dakota.

Location of Mellette County