Elk township represents an area within the Elk township subdivision of the Buena Vista County (Iowa),
which is not part of any official city, town or other place of the Elk township subdivision.
This area is populated by approximatelly 194 people and occupies the area of 37 square miles - 1 square miles represent water areas.
Racial makeup of the population is : White (96.39%), Some Other Race (3.61%) and Two or More races (0%).
The male part of the population has a median age of 48 and the “median female” is 51 years old.
Statistical data for the Elk township based on the 2010 U.S. Census