Goose Lake township represents an area within the Goose Lake township subdivision of the Charles Mix County (South Dakota),
which is not part of any official city, town or other place of the Goose Lake township subdivision.
This area is populated by approximatelly 145 people and occupies the area of 65 square miles - 1 square miles represent water areas.
Racial makeup of the population is : White (81.38%), American Indian and Alaska Native (13.1%) and Two or More races (4.14%).
The male part of the population has a median age of 48 and the “median female” is 47 years old.
Statistical data for the Goose Lake township based on the 2010 U.S. Census