Gassman UT represents an area within the Gassman UT subdivision of the Tripp County (South Dakota),
which is not part of any official city, town or other place of the Gassman UT subdivision.
This area is populated by approximatelly 21 people and occupies the area of 43 square miles - 1 square miles represent water areas.
Racial makeup of the population is : White (80.95%), American Indian and Alaska Native (19.05%) and Two or More races (0%).
The male part of the population has a median age of 51 and the “median female” is 35 years old.
Statistical data for the Gassman UT based on the 2010 U.S. Census