Harrison Township, Boone County, IowaHarrison Township is one of seventeen townships in Boone County, Iowa, United States. As of the 2000 census, its population was 368.HistoryHarrison Township was organized in 1871. It is named for William Henry Harrison, ninth President of the United States.GeographyHarrison Township covers an area of and contains no incorporated settlements. According to the USGS, it contains three cemeteries: Mackey, Saint Paul's Lutheran and Saints Peter and Paul.