Lincoln Township is one of sixteen townships in Calhoun County, Iowa, USA. As of the 2000 census, its population was 2,150.HistoryLincoln Township was created in 1866. It was named in honor of Abraham Lincoln, who had been assassinated the year before.GeographyLincoln Township covers an area of 35.32sqmi and contains one incorporated settlement, Manson. According to the USGS, it contains four cemeteries: Hope, Rose Hill, Saint Thomas and Trinity.