Ridgeland township represents an area within the Ridgeland township subdivision of the Corson County (South Dakota),
which is not part of any official city, town or other place of the Ridgeland township subdivision.
This area is populated by approximatelly 45 people and occupies the area of 89 square miles - 7 square miles represent water areas.
Racial makeup of the population is : American Indian and Alaska Native (51.11%), White (48.89%) and Two or More races (0%).
The male part of the population has a median age of 36 and the “median female” is 47 years old.
Statistical data for the Ridgeland township based on the 2010 U.S. Census