The Ontwa township is a subdivision of the Cass County, in the state of Michigan.
This subdivision represents an area of 22 square miles - 2 square miles are water areas.
There are 1 cities, towns or villages in the Ontwa township subdivision - their combined population count is 1.259.
Approximatelly 5.290 people live in “Remainders” areas, that are officially not part of any city or town.
Total population of the subdivision is 6.549.
Racial makeup of this subdivision is as follows : White (95.97%),
followed by Two or More races (1.88%) and Black or African American (0.9%).
Median age for the male population is 41 and 42 for the female part.
Statistical data for the Ontwa township based on the 2010 U.S. Census