Martiny township represents an area within the Martiny township subdivision of the Mecosta County (Michigan),
which is not part of any official city, town or other place of the Martiny township subdivision.
This area is populated by approximatelly 1.625 people and occupies the area of 36 square miles - 4 square miles represent water areas.
Racial makeup of the population is : White (97.23%), Two or More races (1.29%) and American Indian and Alaska Native (0.55%).
The male part of the population has a median age of 51 and the “median female” is 53 years old.
Statistical data for the Martiny township based on the 2010 U.S. Census