The Sumner township is a subdivision of the Winneshiek County, in the state of Iowa.
This subdivision represents an area of 36 square miles - 0 square miles are water areas.
There are 0 cities, towns or villages in the Sumner township subdivision - their combined population count is 0.
Approximatelly 311 people live in “Remainders” areas, that are officially not part of any city or town.
Total population of the subdivision is 311.
Racial makeup of this subdivision is as follows : White (100%),
followed by Two or More races (0%) and (%).
Median age for the male population is 45 and 46 for the female part.
Statistical data for the Sumner township based on the 2010 U.S. Census