Polk Township is a township in Shelby County,

Iowa Iowa ( ) is a U.S. state, state in the upper Midwestern United States, Midwestern region of the United States. It borders the Mississippi River to the east and the Missouri River and Big Sioux River to the west; Wisconsin to the northeast, Ill ...

. There are 133 people and 3.6 people per square mile in Polk Township. The total area is 36.7 square miles.

References

Townships in Shelby County, Iowa Townships in Iowa {{ShelbyCountyIA-geo-stub