Calhoun Township, Calhoun County, IowaCalhoun Township is one of sixteen townships in Calhoun County, Iowa, United States. As of the 2000 census, its population was 166.HistoryCalhoun Township was the first township created in 1856. It originally included the entire county.GeographyCalhoun Township covers an area of and contains no incorporated settlements. According to the USGS, it contains one cemetery, Bishop.