Washington Township, Clinton County, Iowa
Washington Township is a township in Clinton County, Iowa, USA.  As of the 2000 census, its population was 460.

History
Washington Township was organized in 1856. It is named for George Washington.

Geography
Washington Township covers an area of  and contains no incorporated settlements.  According to the USGS, it contains four cemeteries: Clinton County Farm, Rossiter, Saint Patricks and White.