Green Grass, South Dakota

Green Grass, South Dakota
wakpála phežŋ
Location in Dewey County and the state of South Dakota
Coordinates: 45°10′11″N 101°14′48″W / 45.16972°N 101.24667°W / 45.16972; -101.24667
CountryUnited States
StateSouth Dakota
CountyDewey
Area
  Total
8.13 sq mi (21.06 km2)
  Land8.13 sq mi (21.06 km2)
  Water0.00 sq mi (0.00 km2)
Elevation
1,900 ft (600 m)
Population
 (2020)
  Total
21
  Density2.58/sq mi (1.00/km2)
Time zoneUTC-7 (Mountain (MST))
  Summer (DST)UTC-6 (MDT)
Area code605
FIPS code46-25900
GNIS feature ID2393027

Green Grass (Lakota: wakpála phežŋ; "creek [of the] grass") is a census-designated place (CDP) in Dewey County, South Dakota, United States. The population was 21 at the 2020 census.

The community takes its name from nearby Green Grass Creek.