Green Grass Flag

Green Grass

County:
Dewey County
County Seat:
No
Area (mi²):
8.133
State:
South Dakota

Green Grass is a CDP located in Dewey County, South Dakota. Green Grass has a 2026 population of 98. Green Grass is currently growing at a rate of 6.52% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The median age in Green Grass is 20.5 years: 22.3 years for males, and 18.6 years for females. For every 100 females there are 122.9 males.

98
Total Population
12
Density (mi²)
6 6.52%
Growth

Green Grass Population

Green Grass Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20269866.52%
20259266.98%

Median Age

Overall: 20.5 years
Female: 18.6 years
Male: 22.3 years

Green Grass Adults

There are 52 adults, (5 of whom are seniors) in Green Grass.

Sex Ratio

Female: 35 (44.9%)
Male: 43 (55.1%)

Demographics

The racial composition of Green Grass includes 100% Native American, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
Native American78100%
Race
Population ↓
Percentage (of total)
Native American78100%

Green Grass Marital Status

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)