Mellette County, South Dakota Cities (2025)

18 cities

City
Rank
2025 Pop.
2020 Pop.
Change
Density
Area (mi²)
Type
White River1506538-1.17%9710.52 City
Horse Creek22591757.02%2730.95 CDP
Norris township3167176-1.18%821.31 Township
Norris41561480%1880.83 CDP
Blackpipe township547490%135.94 Township
Wood640420%1630.25 Town
Bad Nation township731320%0.0072.07 Township
Mosher township825260%135.92 Township
Cody township923240%0.0073.76 Township
Running Bird township1020210%135.91 Township
Red Fish township1117180%0.0043.30 Township
Riverside township1217180%0.0055.72 Township
Surprise Valley township131114-8.33%0.0033.51 Township
Ring Thunder township14811-11.11%0.0035.97 Township
Rocky Ford township15880%0.0050.20 Township
New Surprise Valley township16660%0.0035.74 Township
Prospect township17110%0.0085.73 Township
Butte township18000.0036.61 Township