Jefferson Township is a township in Polk County, Iowa, United States.
[1] Jefferson Township was established in 1851.
[2] The town of Herrold was established in the township in 1915 and purchased by the U.S. Army Corps of Engineers in 1990 for use as a military exercise range for Camp Dodge.
This article about the geography of Polk County, Iowa is a stub.
You can help Wikipedia by expanding it.