Green Valley township represents an area within the Green Valley township subdivision of the Miner County (South Dakota),
which is not part of any official city, town or other place of the Green Valley township subdivision.
This area is populated by approximatelly 51 people and occupies the area of 36 square miles - 0 square miles represent water areas.
Racial makeup of the population is : White (100%), Two or More races (0%) and (%).
The male part of the population has a median age of 39 and the “median female” is 40 years old.
Statistical data for the Green Valley township based on the 2010 U.S. Census