Logan Township, Calhoun County, IowaLogan Township is one of sixteen townships in Calhoun County, Iowa, United States. As of the 2000 census, its population was 142.HistoryLogan Township was created in 1879. It is named for Gen. John A. Logan.GeographyLogan Township covers an area of and contains no incorporated settlements. According to the USGS, it contains three cemeteries: Logan Township, Piper and Roby.