Harrison Township, Adair County, Iowa
Harrison Township is one of seventeen townships in Adair County, Iowa, USA. As of the 2010 census, its population was 178. History. Harrison Township was organized in 1856. Its was served by the Arbor Hill post office () from 1857 to 1907. Geography. Harrison Township covers an area of and contains no incorporated settlements. According to the USGS, it contains two cemeteries: Fairview and Roberts.