Valley township represents an area within the Valley township subdivision of the Tripp County (South Dakota),
which is not part of any official city, town or other place of the Valley township subdivision.
This area is populated by approximatelly 51 people and occupies the area of 36 square miles - 1 square miles represent water areas.
Racial makeup of the population is : White (90.2%), American Indian and Alaska Native (9.8%) and Two or More races (0%).
The male part of the population has a median age of 35 and the “median female” is 19 years old.
Statistical data for the Valley township based on the 2010 U.S. Census