Cedar Township, Calhoun County, IowaCedar Township is one of sixteen townships in Calhoun County, Iowa, United States. As of the 2000 census, its population was 408.HistoryCedar Township was created in 1877. It is named from the Cedar Creek.GeographyCedar Township covers an area of and contains two incorporated settlements: Rinard and Somers. According to the USGS, it contains one cemetery, Cedar.